Home / 126,511.14-189,760.20-37,765.38

Finding the Fourth Proportional to 126,511.14, 189,760.20 and 37,765.38

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Solution

The fourth proportional to 126,511.14, 189,760.20 and 37,765.38 is: 56,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,511.14 : 189,760.20 = 37,765.38 : x
  2. Step 2: Convert to fraction form
    126,511.14/189,760.20 = 37,765.38/x
  3. Step 3: Cross multiply
    126,511.14x = 189,760.20 × 37,765.38
  4. Step 4: Simplify right side
    126,511.14x = 7,166,366,061.88
  5. Step 5: Solve for x
    x = 7,166,366,061.88/126,511.14
  6. Step 6: Final answer
    x = 56,646.13

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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.