Home / 126,354.28-189,551.96-47,474.88

Finding the Fourth Proportional to 126,354.28, 189,551.96 and 47,474.88

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Solution

The fourth proportional to 126,354.28, 189,551.96 and 47,474.88 is: 71,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,354.28 : 189,551.96 = 47,474.88 : x
  2. Step 2: Convert to fraction form
    126,354.28/189,551.96 = 47,474.88/x
  3. Step 3: Cross multiply
    126,354.28x = 189,551.96 × 47,474.88
  4. Step 4: Simplify right side
    126,354.28x = 8,998,956,554.76
  5. Step 5: Solve for x
    x = 8,998,956,554.76/126,354.28
  6. Step 6: Final answer
    x = 71,220.04

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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.