Home / 220,194.23-303,857.86-124,701.61

Finding the Fourth Proportional to 220,194.23, 303,857.86 and 124,701.61

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Solution

The fourth proportional to 220,194.23, 303,857.86 and 124,701.61 is: 172,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,194.23 : 303,857.86 = 124,701.61 : x
  2. Step 2: Convert to fraction form
    220,194.23/303,857.86 = 124,701.61/x
  3. Step 3: Cross multiply
    220,194.23x = 303,857.86 × 124,701.61
  4. Step 4: Simplify right side
    220,194.23x = 37,891,562,210.36
  5. Step 5: Solve for x
    x = 37,891,562,210.36/220,194.23
  6. Step 6: Final answer
    x = 172,082.45

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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.