Home / 102,347.48-153,334.18-74,197.71

Finding the Fourth Proportional to 102,347.48, 153,334.18 and 74,197.71

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Solution

The fourth proportional to 102,347.48, 153,334.18 and 74,197.71 is: 111,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,347.48 : 153,334.18 = 74,197.71 : x
  2. Step 2: Convert to fraction form
    102,347.48/153,334.18 = 74,197.71/x
  3. Step 3: Cross multiply
    102,347.48x = 153,334.18 × 74,197.71
  4. Step 4: Simplify right side
    102,347.48x = 11,377,045,020.73
  5. Step 5: Solve for x
    x = 11,377,045,020.73/102,347.48
  6. Step 6: Final answer
    x = 111,160.97

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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.