Home / 127,952.70-191,929.05-39,219.90

Finding the Fourth Proportional to 127,952.70, 191,929.05 and 39,219.90

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Solution

The fourth proportional to 127,952.70, 191,929.05 and 39,219.90 is: 58,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,952.70 : 191,929.05 = 39,219.90 : x
  2. Step 2: Convert to fraction form
    127,952.70/191,929.05 = 39,219.90/x
  3. Step 3: Cross multiply
    127,952.70x = 191,929.05 × 39,219.90
  4. Step 4: Simplify right side
    127,952.70x = 7,527,438,148.10
  5. Step 5: Solve for x
    x = 7,527,438,148.10/127,952.70
  6. Step 6: Final answer
    x = 58,829.85

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Similar ratio
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1.5x scale

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.