Home / 515,537.01-773,121.02-178,487.19

Finding the Fourth Proportional to 515,537.01, 773,121.02 and 178,487.19

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Solution

The fourth proportional to 515,537.01, 773,121.02 and 178,487.19 is: 267,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,537.01 : 773,121.02 = 178,487.19 : x
  2. Step 2: Convert to fraction form
    515,537.01/773,121.02 = 178,487.19/x
  3. Step 3: Cross multiply
    515,537.01x = 773,121.02 × 178,487.19
  4. Step 4: Simplify right side
    515,537.01x = 137,992,197,497.30
  5. Step 5: Solve for x
    x = 137,992,197,497.30/515,537.01
  6. Step 6: Final answer
    x = 267,666.91

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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.