Home / 125,853.27-188,775.45-54,775.77

Finding the Fourth Proportional to 125,853.27, 188,775.45 and 54,775.77

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Solution

The fourth proportional to 125,853.27, 188,775.45 and 54,775.77 is: 82,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,853.27 : 188,775.45 = 54,775.77 : x
  2. Step 2: Convert to fraction form
    125,853.27/188,775.45 = 54,775.77/x
  3. Step 3: Cross multiply
    125,853.27x = 188,775.45 × 54,775.77
  4. Step 4: Simplify right side
    125,853.27x = 10,340,320,630.85
  5. Step 5: Solve for x
    x = 10,340,320,630.85/125,853.27
  6. Step 6: Final answer
    x = 82,161.72

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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.