Home / 239,959.22-359,982.57-120,078.86

Finding the Fourth Proportional to 239,959.22, 359,982.57 and 120,078.86

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Solution

The fourth proportional to 239,959.22, 359,982.57 and 120,078.86 is: 180,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,959.22 : 359,982.57 = 120,078.86 : x
  2. Step 2: Convert to fraction form
    239,959.22/359,982.57 = 120,078.86/x
  3. Step 3: Cross multiply
    239,959.22x = 359,982.57 × 120,078.86
  4. Step 4: Simplify right side
    239,959.22x = 43,226,296,775.57
  5. Step 5: Solve for x
    x = 43,226,296,775.57/239,959.22
  6. Step 6: Final answer
    x = 180,140.18

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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.