Home / 126,167.52-189,148.64-47,237.52

Finding the Fourth Proportional to 126,167.52, 189,148.64 and 47,237.52

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Solution

The fourth proportional to 126,167.52, 189,148.64 and 47,237.52 is: 70,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,167.52 : 189,148.64 = 47,237.52 : x
  2. Step 2: Convert to fraction form
    126,167.52/189,148.64 = 47,237.52/x
  3. Step 3: Cross multiply
    126,167.52x = 189,148.64 × 47,237.52
  4. Step 4: Simplify right side
    126,167.52x = 8,934,912,664.97
  5. Step 5: Solve for x
    x = 8,934,912,664.97/126,167.52
  6. Step 6: Final answer
    x = 70,817.85

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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.