Home / 372,942.72-559,497.65-136,279.35

Finding the Fourth Proportional to 372,942.72, 559,497.65 and 136,279.35

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Solution

The fourth proportional to 372,942.72, 559,497.65 and 136,279.35 is: 204,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,942.72 : 559,497.65 = 136,279.35 : x
  2. Step 2: Convert to fraction form
    372,942.72/559,497.65 = 136,279.35/x
  3. Step 3: Cross multiply
    372,942.72x = 559,497.65 × 136,279.35
  4. Step 4: Simplify right side
    372,942.72x = 76,247,975,387.13
  5. Step 5: Solve for x
    x = 76,247,975,387.13/372,942.72
  6. Step 6: Final answer
    x = 204,449.56

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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.