Home / 238,150.36-357,191.88-80,358.04

Finding the Fourth Proportional to 238,150.36, 357,191.88 and 80,358.04

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Solution

The fourth proportional to 238,150.36, 357,191.88 and 80,358.04 is: 120,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,150.36 : 357,191.88 = 80,358.04 : x
  2. Step 2: Convert to fraction form
    238,150.36/357,191.88 = 80,358.04/x
  3. Step 3: Cross multiply
    238,150.36x = 357,191.88 × 80,358.04
  4. Step 4: Simplify right side
    238,150.36x = 28,703,239,380.72
  5. Step 5: Solve for x
    x = 28,703,239,380.72/238,150.36
  6. Step 6: Final answer
    x = 120,525.70

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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.