Home / 229,871.16-344,695.68-80,107.92

Finding the Fourth Proportional to 229,871.16, 344,695.68 and 80,107.92

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Solution

The fourth proportional to 229,871.16, 344,695.68 and 80,107.92 is: 120,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,871.16 : 344,695.68 = 80,107.92 : x
  2. Step 2: Convert to fraction form
    229,871.16/344,695.68 = 80,107.92/x
  3. Step 3: Cross multiply
    229,871.16x = 344,695.68 × 80,107.92
  4. Step 4: Simplify right side
    229,871.16x = 27,612,853,957.79
  5. Step 5: Solve for x
    x = 27,612,853,957.79/229,871.16
  6. Step 6: Final answer
    x = 120,123.18

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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.