Home / 177,650.20-266,388.90-98,680.60

Finding the Fourth Proportional to 177,650.20, 266,388.90 and 98,680.60

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Solution

The fourth proportional to 177,650.20, 266,388.90 and 98,680.60 is: 147,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,650.20 : 266,388.90 = 98,680.60 : x
  2. Step 2: Convert to fraction form
    177,650.20/266,388.90 = 98,680.60/x
  3. Step 3: Cross multiply
    177,650.20x = 266,388.90 × 98,680.60
  4. Step 4: Simplify right side
    177,650.20x = 26,287,416,485.34
  5. Step 5: Solve for x
    x = 26,287,416,485.34/177,650.20
  6. Step 6: Final answer
    x = 147,972.91

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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.