Home / 124,069.80-186,034.20-84,674.64

Finding the Fourth Proportional to 124,069.80, 186,034.20 and 84,674.64

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Solution

The fourth proportional to 124,069.80, 186,034.20 and 84,674.64 is: 126,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,069.80 : 186,034.20 = 84,674.64 : x
  2. Step 2: Convert to fraction form
    124,069.80/186,034.20 = 84,674.64/x
  3. Step 3: Cross multiply
    124,069.80x = 186,034.20 × 84,674.64
  4. Step 4: Simplify right side
    124,069.80x = 15,752,378,912.69
  5. Step 5: Solve for x
    x = 15,752,378,912.69/124,069.80
  6. Step 6: Final answer
    x = 126,963.85

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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.