Home / 220,193.48-303,856.82-124,700.86

Finding the Fourth Proportional to 220,193.48, 303,856.82 and 124,700.86

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Solution

The fourth proportional to 220,193.48, 303,856.82 and 124,700.86 is: 172,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,193.48 : 303,856.82 = 124,700.86 : x
  2. Step 2: Convert to fraction form
    220,193.48/303,856.82 = 124,700.86/x
  3. Step 3: Cross multiply
    220,193.48x = 303,856.82 × 124,700.86
  4. Step 4: Simplify right side
    220,193.48x = 37,891,205,251.58
  5. Step 5: Solve for x
    x = 37,891,205,251.58/220,193.48
  6. Step 6: Final answer
    x = 172,081.42

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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.