Home / 127,517.32-191,275.66-38,770.44

Finding the Fourth Proportional to 127,517.32, 191,275.66 and 38,770.44

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Solution

The fourth proportional to 127,517.32, 191,275.66 and 38,770.44 is: 58,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.32 : 191,275.66 = 38,770.44 : x
  2. Step 2: Convert to fraction form
    127,517.32/191,275.66 = 38,770.44/x
  3. Step 3: Cross multiply
    127,517.32x = 191,275.66 × 38,770.44
  4. Step 4: Simplify right side
    127,517.32x = 7,415,841,499.49
  5. Step 5: Solve for x
    x = 7,415,841,499.49/127,517.32
  6. Step 6: Final answer
    x = 58,155.56

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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.