Home / 177,861.33-266,792.45-72,680.31

Finding the Fourth Proportional to 177,861.33, 266,792.45 and 72,680.31

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Solution

The fourth proportional to 177,861.33, 266,792.45 and 72,680.31 is: 109,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,861.33 : 266,792.45 = 72,680.31 : x
  2. Step 2: Convert to fraction form
    177,861.33/266,792.45 = 72,680.31/x
  3. Step 3: Cross multiply
    177,861.33x = 266,792.45 × 72,680.31
  4. Step 4: Simplify right side
    177,861.33x = 19,390,557,608.26
  5. Step 5: Solve for x
    x = 19,390,557,608.26/177,861.33
  6. Step 6: Final answer
    x = 109,020.65

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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.