Home / 132,750.13-199,125.20-77,307.25

Finding the Fourth Proportional to 132,750.13, 199,125.20 and 77,307.25

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Solution

The fourth proportional to 132,750.13, 199,125.20 and 77,307.25 is: 115,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,750.13 : 199,125.20 = 77,307.25 : x
  2. Step 2: Convert to fraction form
    132,750.13/199,125.20 = 77,307.25/x
  3. Step 3: Cross multiply
    132,750.13x = 199,125.20 × 77,307.25
  4. Step 4: Simplify right side
    132,750.13x = 15,393,821,231.16
  5. Step 5: Solve for x
    x = 15,393,821,231.16/132,750.13
  6. Step 6: Final answer
    x = 115,960.88

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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.