Home / 127,585.28-191,397.36-65,234.72

Finding the Fourth Proportional to 127,585.28, 191,397.36 and 65,234.72

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Solution

The fourth proportional to 127,585.28, 191,397.36 and 65,234.72 is: 97,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.28 : 191,397.36 = 65,234.72 : x
  2. Step 2: Convert to fraction form
    127,585.28/191,397.36 = 65,234.72/x
  3. Step 3: Cross multiply
    127,585.28x = 191,397.36 × 65,234.72
  4. Step 4: Simplify right side
    127,585.28x = 12,485,753,188.34
  5. Step 5: Solve for x
    x = 12,485,753,188.34/127,585.28
  6. Step 6: Final answer
    x = 97,862.02

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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.