Home / 127,499.20-191,276.32-38,759.86

Finding the Fourth Proportional to 127,499.20, 191,276.32 and 38,759.86

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Solution

The fourth proportional to 127,499.20, 191,276.32 and 38,759.86 is: 58,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,499.20 : 191,276.32 = 38,759.86 : x
  2. Step 2: Convert to fraction form
    127,499.20/191,276.32 = 38,759.86/x
  3. Step 3: Cross multiply
    127,499.20x = 191,276.32 × 38,759.86
  4. Step 4: Simplify right side
    127,499.20x = 7,413,843,384.52
  5. Step 5: Solve for x
    x = 7,413,843,384.52/127,499.20
  6. Step 6: Final answer
    x = 58,148.16

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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.