Home / 153,423.02-230,156.40-74,483.25

Finding the Fourth Proportional to 153,423.02, 230,156.40 and 74,483.25

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Solution

The fourth proportional to 153,423.02, 230,156.40 and 74,483.25 is: 111,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,423.02 : 230,156.40 = 74,483.25 : x
  2. Step 2: Convert to fraction form
    153,423.02/230,156.40 = 74,483.25/x
  3. Step 3: Cross multiply
    153,423.02x = 230,156.40 × 74,483.25
  4. Step 4: Simplify right side
    153,423.02x = 17,142,796,680.30
  5. Step 5: Solve for x
    x = 17,142,796,680.30/153,423.02
  6. Step 6: Final answer
    x = 111,735.50

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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.