Home / 193,428,114.30-290,142,171.45-155,164,362.30

Finding the Fourth Proportional to 193,428,114.30, 290,142,171.45 and 155,164,362.30

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Solution

The fourth proportional to 193,428,114.30, 290,142,171.45 and 155,164,362.30 is: 232,746,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428,114.30 : 290,142,171.45 = 155,164,362.30 : x
  2. Step 2: Convert to fraction form
    193,428,114.30/290,142,171.45 = 155,164,362.30/x
  3. Step 3: Cross multiply
    193,428,114.30x = 290,142,171.45 × 155,164,362.30
  4. Step 4: Simplify right side
    193,428,114.30x = 45,019,725,009,376,520
  5. Step 5: Solve for x
    x = 45,019,725,009,376,520/193,428,114.30
  6. Step 6: Final answer
    x = 232,746,543.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.