Home / 156,819.04-234,998.90-77,775.42

Finding the Fourth Proportional to 156,819.04, 234,998.90 and 77,775.42

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Solution

The fourth proportional to 156,819.04, 234,998.90 and 77,775.42 is: 116,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,819.04 : 234,998.90 = 77,775.42 : x
  2. Step 2: Convert to fraction form
    156,819.04/234,998.90 = 77,775.42/x
  3. Step 3: Cross multiply
    156,819.04x = 234,998.90 × 77,775.42
  4. Step 4: Simplify right side
    156,819.04x = 18,277,138,147.04
  5. Step 5: Solve for x
    x = 18,277,138,147.04/156,819.04
  6. Step 6: Final answer
    x = 116,549.23

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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.