Home / 140,708.77-194,176.17-77,046.56

Finding the Fourth Proportional to 140,708.77, 194,176.17 and 77,046.56

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Solution

The fourth proportional to 140,708.77, 194,176.17 and 77,046.56 is: 106,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,708.77 : 194,176.17 = 77,046.56 : x
  2. Step 2: Convert to fraction form
    140,708.77/194,176.17 = 77,046.56/x
  3. Step 3: Cross multiply
    140,708.77x = 194,176.17 × 77,046.56
  4. Step 4: Simplify right side
    140,708.77x = 14,960,605,932.48
  5. Step 5: Solve for x
    x = 14,960,605,932.48/140,708.77
  6. Step 6: Final answer
    x = 106,323.19

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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.