Home / 238,020.11-357,031.39-80,249.93

Finding the Fourth Proportional to 238,020.11, 357,031.39 and 80,249.93

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Solution

The fourth proportional to 238,020.11, 357,031.39 and 80,249.93 is: 120,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,020.11 : 357,031.39 = 80,249.93 : x
  2. Step 2: Convert to fraction form
    238,020.11/357,031.39 = 80,249.93/x
  3. Step 3: Cross multiply
    238,020.11x = 357,031.39 × 80,249.93
  4. Step 4: Simplify right side
    238,020.11x = 28,651,744,055.30
  5. Step 5: Solve for x
    x = 28,651,744,055.30/238,020.11
  6. Step 6: Final answer
    x = 120,375.31

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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.