Home / 126,113.34-189,169.92-47,264.70

Finding the Fourth Proportional to 126,113.34, 189,169.92 and 47,264.70

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Solution

The fourth proportional to 126,113.34, 189,169.92 and 47,264.70 is: 70,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.34 : 189,169.92 = 47,264.70 : x
  2. Step 2: Convert to fraction form
    126,113.34/189,169.92 = 47,264.70/x
  3. Step 3: Cross multiply
    126,113.34x = 189,169.92 × 47,264.70
  4. Step 4: Simplify right side
    126,113.34x = 8,941,059,517.82
  5. Step 5: Solve for x
    x = 8,941,059,517.82/126,113.34
  6. Step 6: Final answer
    x = 70,897.02

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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.