Home / 220,077.20-303,713.78-124,581.84

Finding the Fourth Proportional to 220,077.20, 303,713.78 and 124,581.84

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Solution

The fourth proportional to 220,077.20, 303,713.78 and 124,581.84 is: 171,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,077.20 : 303,713.78 = 124,581.84 : x
  2. Step 2: Convert to fraction form
    220,077.20/303,713.78 = 124,581.84/x
  3. Step 3: Cross multiply
    220,077.20x = 303,713.78 × 124,581.84
  4. Step 4: Simplify right side
    220,077.20x = 37,837,221,545.76
  5. Step 5: Solve for x
    x = 37,837,221,545.76/220,077.20
  6. Step 6: Final answer
    x = 171,927.04

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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.