Home / 220,490.59-304,319.27-124,997.66

Finding the Fourth Proportional to 220,490.59, 304,319.27 and 124,997.66

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Solution

The fourth proportional to 220,490.59, 304,319.27 and 124,997.66 is: 172,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,490.59 : 304,319.27 = 124,997.66 : x
  2. Step 2: Convert to fraction form
    220,490.59/304,319.27 = 124,997.66/x
  3. Step 3: Cross multiply
    220,490.59x = 304,319.27 × 124,997.66
  4. Step 4: Simplify right side
    220,490.59x = 38,039,196,642.91
  5. Step 5: Solve for x
    x = 38,039,196,642.91/220,490.59
  6. Step 6: Final answer
    x = 172,520.73

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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.