Home / 126,024.92-189,037.38-103,748.96

Finding the Fourth Proportional to 126,024.92, 189,037.38 and 103,748.96

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Solution

The fourth proportional to 126,024.92, 189,037.38 and 103,748.96 is: 155,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024.92 : 189,037.38 = 103,748.96 : x
  2. Step 2: Convert to fraction form
    126,024.92/189,037.38 = 103,748.96/x
  3. Step 3: Cross multiply
    126,024.92x = 189,037.38 × 103,748.96
  4. Step 4: Simplify right side
    126,024.92x = 19,612,431,576.12
  5. Step 5: Solve for x
    x = 19,612,431,576.12/126,024.92
  6. Step 6: Final answer
    x = 155,623.44

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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.