Home / 177,587.40-266,532.30-72,481.80

Finding the Fourth Proportional to 177,587.40, 266,532.30 and 72,481.80

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Solution

The fourth proportional to 177,587.40, 266,532.30 and 72,481.80 is: 108,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,587.40 : 266,532.30 = 72,481.80 : x
  2. Step 2: Convert to fraction form
    177,587.40/266,532.30 = 72,481.80/x
  3. Step 3: Cross multiply
    177,587.40x = 266,532.30 × 72,481.80
  4. Step 4: Simplify right side
    177,587.40x = 19,318,740,862.14
  5. Step 5: Solve for x
    x = 19,318,740,862.14/177,587.40
  6. Step 6: Final answer
    x = 108,784.41

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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.