Home / 220,319.46-304,041.15-124,832.61

Finding the Fourth Proportional to 220,319.46, 304,041.15 and 124,832.61

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Solution

The fourth proportional to 220,319.46, 304,041.15 and 124,832.61 is: 172,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,319.46 : 304,041.15 = 124,832.61 : x
  2. Step 2: Convert to fraction form
    220,319.46/304,041.15 = 124,832.61/x
  3. Step 3: Cross multiply
    220,319.46x = 304,041.15 × 124,832.61
  4. Step 4: Simplify right side
    220,319.46x = 37,954,250,301.90
  5. Step 5: Solve for x
    x = 37,954,250,301.90/220,319.46
  6. Step 6: Final answer
    x = 172,269.17

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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.