Home / 126,165.92-189,252.48-47,265.04

Finding the Fourth Proportional to 126,165.92, 189,252.48 and 47,265.04

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Solution

The fourth proportional to 126,165.92, 189,252.48 and 47,265.04 is: 70,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,165.92 : 189,252.48 = 47,265.04 : x
  2. Step 2: Convert to fraction form
    126,165.92/189,252.48 = 47,265.04/x
  3. Step 3: Cross multiply
    126,165.92x = 189,252.48 × 47,265.04
  4. Step 4: Simplify right side
    126,165.92x = 8,945,026,037.30
  5. Step 5: Solve for x
    x = 8,945,026,037.30/126,165.92
  6. Step 6: Final answer
    x = 70,898.91

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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.