Home / 155,152.13-232,587.78-107,789.40

Finding the Fourth Proportional to 155,152.13, 232,587.78 and 107,789.40

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Solution

The fourth proportional to 155,152.13, 232,587.78 and 107,789.40 is: 161,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,152.13 : 232,587.78 = 107,789.40 : x
  2. Step 2: Convert to fraction form
    155,152.13/232,587.78 = 107,789.40/x
  3. Step 3: Cross multiply
    155,152.13x = 232,587.78 × 107,789.40
  4. Step 4: Simplify right side
    155,152.13x = 25,070,497,253.53
  5. Step 5: Solve for x
    x = 25,070,497,253.53/155,152.13
  6. Step 6: Final answer
    x = 161,586.55

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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.