Home / 125,235.62-172,832.22-74,278.52

Finding the Fourth Proportional to 125,235.62, 172,832.22 and 74,278.52

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Solution

The fourth proportional to 125,235.62, 172,832.22 and 74,278.52 is: 102,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,235.62 : 172,832.22 = 74,278.52 : x
  2. Step 2: Convert to fraction form
    125,235.62/172,832.22 = 74,278.52/x
  3. Step 3: Cross multiply
    125,235.62x = 172,832.22 × 74,278.52
  4. Step 4: Simplify right side
    125,235.62x = 12,837,720,645.75
  5. Step 5: Solve for x
    x = 12,837,720,645.75/125,235.62
  6. Step 6: Final answer
    x = 102,508.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.