Home / 134,564.67-185,691.87-74,123.46

Finding the Fourth Proportional to 134,564.67, 185,691.87 and 74,123.46

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Solution

The fourth proportional to 134,564.67, 185,691.87 and 74,123.46 is: 102,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,564.67 : 185,691.87 = 74,123.46 : x
  2. Step 2: Convert to fraction form
    134,564.67/185,691.87 = 74,123.46/x
  3. Step 3: Cross multiply
    134,564.67x = 185,691.87 × 74,123.46
  4. Step 4: Simplify right side
    134,564.67x = 13,764,123,898.27
  5. Step 5: Solve for x
    x = 13,764,123,898.27/134,564.67
  6. Step 6: Final answer
    x = 102,286.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.