Home / 220,192.98-303,856.13-124,700.36

Finding the Fourth Proportional to 220,192.98, 303,856.13 and 124,700.36

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Solution

The fourth proportional to 220,192.98, 303,856.13 and 124,700.36 is: 172,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,192.98 : 303,856.13 = 124,700.36 : x
  2. Step 2: Convert to fraction form
    220,192.98/303,856.13 = 124,700.36/x
  3. Step 3: Cross multiply
    220,192.98x = 303,856.13 × 124,700.36
  4. Step 4: Simplify right side
    220,192.98x = 37,890,967,279.93
  5. Step 5: Solve for x
    x = 37,890,967,279.93/220,192.98
  6. Step 6: Final answer
    x = 172,080.73

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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.