Home / 125,431.20-188,146.80-58,917.24

Finding the Fourth Proportional to 125,431.20, 188,146.80 and 58,917.24

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Solution

The fourth proportional to 125,431.20, 188,146.80 and 58,917.24 is: 88,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,431.20 : 188,146.80 = 58,917.24 : x
  2. Step 2: Convert to fraction form
    125,431.20/188,146.80 = 58,917.24/x
  3. Step 3: Cross multiply
    125,431.20x = 188,146.80 × 58,917.24
  4. Step 4: Simplify right side
    125,431.20x = 11,085,090,170.83
  5. Step 5: Solve for x
    x = 11,085,090,170.83/125,431.20
  6. Step 6: Final answer
    x = 88,375.86

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1.5x scale

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.