Home / 127,479.62-191,219.34-38,732.78

Finding the Fourth Proportional to 127,479.62, 191,219.34 and 38,732.78

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Solution

The fourth proportional to 127,479.62, 191,219.34 and 38,732.78 is: 58,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,479.62 : 191,219.34 = 38,732.78 : x
  2. Step 2: Convert to fraction form
    127,479.62/191,219.34 = 38,732.78/x
  3. Step 3: Cross multiply
    127,479.62x = 191,219.34 × 38,732.78
  4. Step 4: Simplify right side
    127,479.62x = 7,406,456,627.97
  5. Step 5: Solve for x
    x = 7,406,456,627.97/127,479.62
  6. Step 6: Final answer
    x = 58,099.14

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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.