Home / 125,331.74-188,046.84-55,161.86

Finding the Fourth Proportional to 125,331.74, 188,046.84 and 55,161.86

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Solution

The fourth proportional to 125,331.74, 188,046.84 and 55,161.86 is: 82,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,331.74 : 188,046.84 = 55,161.86 : x
  2. Step 2: Convert to fraction form
    125,331.74/188,046.84 = 55,161.86/x
  3. Step 3: Cross multiply
    125,331.74x = 188,046.84 × 55,161.86
  4. Step 4: Simplify right side
    125,331.74x = 10,373,013,461.52
  5. Step 5: Solve for x
    x = 10,373,013,461.52/125,331.74
  6. Step 6: Final answer
    x = 82,764.46

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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.