Home / 126,517.47-174,737.57-86,161.11

Finding the Fourth Proportional to 126,517.47, 174,737.57 and 86,161.11

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Solution

The fourth proportional to 126,517.47, 174,737.57 and 86,161.11 is: 119,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,517.47 : 174,737.57 = 86,161.11 : x
  2. Step 2: Convert to fraction form
    126,517.47/174,737.57 = 86,161.11/x
  3. Step 3: Cross multiply
    126,517.47x = 174,737.57 × 86,161.11
  4. Step 4: Simplify right side
    126,517.47x = 15,055,582,559.10
  5. Step 5: Solve for x
    x = 15,055,582,559.10/126,517.47
  6. Step 6: Final answer
    x = 119,000.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.