Home / 219,711.52-303,198.72-124,215.04

Finding the Fourth Proportional to 219,711.52, 303,198.72 and 124,215.04

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Solution

The fourth proportional to 219,711.52, 303,198.72 and 124,215.04 is: 171,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,711.52 : 303,198.72 = 124,215.04 : x
  2. Step 2: Convert to fraction form
    219,711.52/303,198.72 = 124,215.04/x
  3. Step 3: Cross multiply
    219,711.52x = 303,198.72 × 124,215.04
  4. Step 4: Simplify right side
    219,711.52x = 37,661,841,132.75
  5. Step 5: Solve for x
    x = 37,661,841,132.75/219,711.52
  6. Step 6: Final answer
    x = 171,414.96

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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.