Home / 140,842.17-194,366.94-77,179.41

Finding the Fourth Proportional to 140,842.17, 194,366.94 and 77,179.41

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Solution

The fourth proportional to 140,842.17, 194,366.94 and 77,179.41 is: 106,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,842.17 : 194,366.94 = 77,179.41 : x
  2. Step 2: Convert to fraction form
    140,842.17/194,366.94 = 77,179.41/x
  3. Step 3: Cross multiply
    140,842.17x = 194,366.94 × 77,179.41
  4. Step 4: Simplify right side
    140,842.17x = 15,001,125,752.71
  5. Step 5: Solve for x
    x = 15,001,125,752.71/140,842.17
  6. Step 6: Final answer
    x = 106,510.19

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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.