Home / 177,862.40-266,469.60-140,667.20

Finding the Fourth Proportional to 177,862.40, 266,469.60 and 140,667.20

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Solution

The fourth proportional to 177,862.40, 266,469.60 and 140,667.20 is: 210,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,862.40 : 266,469.60 = 140,667.20 : x
  2. Step 2: Convert to fraction form
    177,862.40/266,469.60 = 140,667.20/x
  3. Step 3: Cross multiply
    177,862.40x = 266,469.60 × 140,667.20
  4. Step 4: Simplify right side
    177,862.40x = 37,483,532,517.12
  5. Step 5: Solve for x
    x = 37,483,532,517.12/177,862.40
  6. Step 6: Final answer
    x = 210,744.56

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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.