Home / 126,184.74-189,250.35-47,304.78

Finding the Fourth Proportional to 126,184.74, 189,250.35 and 47,304.78

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Solution

The fourth proportional to 126,184.74, 189,250.35 and 47,304.78 is: 70,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,184.74 : 189,250.35 = 47,304.78 : x
  2. Step 2: Convert to fraction form
    126,184.74/189,250.35 = 47,304.78/x
  3. Step 3: Cross multiply
    126,184.74x = 189,250.35 × 47,304.78
  4. Step 4: Simplify right side
    126,184.74x = 8,952,446,171.67
  5. Step 5: Solve for x
    x = 8,952,446,171.67/126,184.74
  6. Step 6: Final answer
    x = 70,947.14

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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.