Home / 126,186.32-189,046.20-63,707.60

Finding the Fourth Proportional to 126,186.32, 189,046.20 and 63,707.60

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Solution

The fourth proportional to 126,186.32, 189,046.20 and 63,707.60 is: 95,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,186.32 : 189,046.20 = 63,707.60 : x
  2. Step 2: Convert to fraction form
    126,186.32/189,046.20 = 63,707.60/x
  3. Step 3: Cross multiply
    126,186.32x = 189,046.20 × 63,707.60
  4. Step 4: Simplify right side
    126,186.32x = 12,043,679,691.12
  5. Step 5: Solve for x
    x = 12,043,679,691.12/126,186.32
  6. Step 6: Final answer
    x = 95,443.62

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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.