Home / 127,416.50-191,132.03-38,672.90

Finding the Fourth Proportional to 127,416.50, 191,132.03 and 38,672.90

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Solution

The fourth proportional to 127,416.50, 191,132.03 and 38,672.90 is: 58,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,416.50 : 191,132.03 = 38,672.90 : x
  2. Step 2: Convert to fraction form
    127,416.50/191,132.03 = 38,672.90/x
  3. Step 3: Cross multiply
    127,416.50x = 191,132.03 × 38,672.90
  4. Step 4: Simplify right side
    127,416.50x = 7,391,629,024.01
  5. Step 5: Solve for x
    x = 7,391,629,024.01/127,416.50
  6. Step 6: Final answer
    x = 58,011.56

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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.