Home / 220,747.02-304,621.89-125,251.68

Finding the Fourth Proportional to 220,747.02, 304,621.89 and 125,251.68

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Solution

The fourth proportional to 220,747.02, 304,621.89 and 125,251.68 is: 172,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,747.02 : 304,621.89 = 125,251.68 : x
  2. Step 2: Convert to fraction form
    220,747.02/304,621.89 = 125,251.68/x
  3. Step 3: Cross multiply
    220,747.02x = 304,621.89 × 125,251.68
  4. Step 4: Simplify right side
    220,747.02x = 38,154,403,487.28
  5. Step 5: Solve for x
    x = 38,154,403,487.28/220,747.02
  6. Step 6: Final answer
    x = 172,842.21

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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.