Home / 125,530.25-188,296.92-36,785.57

Finding the Fourth Proportional to 125,530.25, 188,296.92 and 36,785.57

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Solution

The fourth proportional to 125,530.25, 188,296.92 and 36,785.57 is: 55,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,530.25 : 188,296.92 = 36,785.57 : x
  2. Step 2: Convert to fraction form
    125,530.25/188,296.92 = 36,785.57/x
  3. Step 3: Cross multiply
    125,530.25x = 188,296.92 × 36,785.57
  4. Step 4: Simplify right side
    125,530.25x = 6,926,608,589.96
  5. Step 5: Solve for x
    x = 6,926,608,589.96/125,530.25
  6. Step 6: Final answer
    x = 55,178.80

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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.