Home / 204,129.04-306,147.48-72,801.04

Finding the Fourth Proportional to 204,129.04, 306,147.48 and 72,801.04

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Solution

The fourth proportional to 204,129.04, 306,147.48 and 72,801.04 is: 109,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,129.04 : 306,147.48 = 72,801.04 : x
  2. Step 2: Convert to fraction form
    204,129.04/306,147.48 = 72,801.04/x
  3. Step 3: Cross multiply
    204,129.04x = 306,147.48 × 72,801.04
  4. Step 4: Simplify right side
    204,129.04x = 22,287,854,937.38
  5. Step 5: Solve for x
    x = 22,287,854,937.38/204,129.04
  6. Step 6: Final answer
    x = 109,185.13

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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.