Home / 515,962.64-773,948.28-142,006.16

Finding the Fourth Proportional to 515,962.64, 773,948.28 and 142,006.16

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Solution

The fourth proportional to 515,962.64, 773,948.28 and 142,006.16 is: 213,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,962.64 : 773,948.28 = 142,006.16 : x
  2. Step 2: Convert to fraction form
    515,962.64/773,948.28 = 142,006.16/x
  3. Step 3: Cross multiply
    515,962.64x = 773,948.28 × 142,006.16
  4. Step 4: Simplify right side
    515,962.64x = 109,905,423,281.41
  5. Step 5: Solve for x
    x = 109,905,423,281.41/515,962.64
  6. Step 6: Final answer
    x = 213,010.43

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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.