Home / 220,193.72-303,857.17-124,701.11

Finding the Fourth Proportional to 220,193.72, 303,857.17 and 124,701.11

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Solution

The fourth proportional to 220,193.72, 303,857.17 and 124,701.11 is: 172,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,193.72 : 303,857.17 = 124,701.11 : x
  2. Step 2: Convert to fraction form
    220,193.72/303,857.17 = 124,701.11/x
  3. Step 3: Cross multiply
    220,193.72x = 303,857.17 × 124,701.11
  4. Step 4: Simplify right side
    220,193.72x = 37,891,324,549.42
  5. Step 5: Solve for x
    x = 37,891,324,549.42/220,193.72
  6. Step 6: Final answer
    x = 172,081.77

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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.