Home / 177,782.20-266,586.90-98,812.60

Finding the Fourth Proportional to 177,782.20, 266,586.90 and 98,812.60

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Solution

The fourth proportional to 177,782.20, 266,586.90 and 98,812.60 is: 148,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,782.20 : 266,586.90 = 98,812.60 : x
  2. Step 2: Convert to fraction form
    177,782.20/266,586.90 = 98,812.60/x
  3. Step 3: Cross multiply
    177,782.20x = 266,586.90 × 98,812.60
  4. Step 4: Simplify right side
    177,782.20x = 26,342,144,714.94
  5. Step 5: Solve for x
    x = 26,342,144,714.94/177,782.20
  6. Step 6: Final answer
    x = 148,170.88

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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.