Home / 165,132.22-247,691.04-115,064.50

Finding the Fourth Proportional to 165,132.22, 247,691.04 and 115,064.50

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Solution

The fourth proportional to 165,132.22, 247,691.04 and 115,064.50 is: 172,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,132.22 : 247,691.04 = 115,064.50 : x
  2. Step 2: Convert to fraction form
    165,132.22/247,691.04 = 115,064.50/x
  3. Step 3: Cross multiply
    165,132.22x = 247,691.04 × 115,064.50
  4. Step 4: Simplify right side
    165,132.22x = 28,500,445,672.08
  5. Step 5: Solve for x
    x = 28,500,445,672.08/165,132.22
  6. Step 6: Final answer
    x = 172,591.67

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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.