Home / 104,724.56-156,375.40-101,886.86

Finding the Fourth Proportional to 104,724.56, 156,375.40 and 101,886.86

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Solution

The fourth proportional to 104,724.56, 156,375.40 and 101,886.86 is: 152,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,724.56 : 156,375.40 = 101,886.86 : x
  2. Step 2: Convert to fraction form
    104,724.56/156,375.40 = 101,886.86/x
  3. Step 3: Cross multiply
    104,724.56x = 156,375.40 × 101,886.86
  4. Step 4: Simplify right side
    104,724.56x = 15,932,598,487.24
  5. Step 5: Solve for x
    x = 15,932,598,487.24/104,724.56
  6. Step 6: Final answer
    x = 152,138.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.