Home / 313,171.41-469,753.02-76,516.14

Finding the Fourth Proportional to 313,171.41, 469,753.02 and 76,516.14

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Solution

The fourth proportional to 313,171.41, 469,753.02 and 76,516.14 is: 114,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,171.41 : 469,753.02 = 76,516.14 : x
  2. Step 2: Convert to fraction form
    313,171.41/469,753.02 = 76,516.14/x
  3. Step 3: Cross multiply
    313,171.41x = 469,753.02 × 76,516.14
  4. Step 4: Simplify right side
    313,171.41x = 35,943,687,843.74
  5. Step 5: Solve for x
    x = 35,943,687,843.74/313,171.41
  6. Step 6: Final answer
    x = 114,773.21

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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.