Home / 372,621.33-558,941.18-135,963.97

Finding the Fourth Proportional to 372,621.33, 558,941.18 and 135,963.97

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Solution

The fourth proportional to 372,621.33, 558,941.18 and 135,963.97 is: 203,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,621.33 : 558,941.18 = 135,963.97 : x
  2. Step 2: Convert to fraction form
    372,621.33/558,941.18 = 135,963.97/x
  3. Step 3: Cross multiply
    372,621.33x = 558,941.18 × 135,963.97
  4. Step 4: Simplify right side
    372,621.33x = 75,995,859,752.11
  5. Step 5: Solve for x
    x = 75,995,859,752.11/372,621.33
  6. Step 6: Final answer
    x = 203,949.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.