Home / 127,922.60-191,711.10-113,061.80

Finding the Fourth Proportional to 127,922.60, 191,711.10 and 113,061.80

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Solution

The fourth proportional to 127,922.60, 191,711.10 and 113,061.80 is: 169,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,922.60 : 191,711.10 = 113,061.80 : x
  2. Step 2: Convert to fraction form
    127,922.60/191,711.10 = 113,061.80/x
  3. Step 3: Cross multiply
    127,922.60x = 191,711.10 × 113,061.80
  4. Step 4: Simplify right side
    127,922.60x = 21,675,202,045.98
  5. Step 5: Solve for x
    x = 21,675,202,045.98/127,922.60
  6. Step 6: Final answer
    x = 169,439.97

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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.