Home / 185,041.50-255,359.39-108,561.95

Finding the Fourth Proportional to 185,041.50, 255,359.39 and 108,561.95

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Solution

The fourth proportional to 185,041.50, 255,359.39 and 108,561.95 is: 149,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,041.50 : 255,359.39 = 108,561.95 : x
  2. Step 2: Convert to fraction form
    185,041.50/255,359.39 = 108,561.95/x
  3. Step 3: Cross multiply
    185,041.50x = 255,359.39 × 108,561.95
  4. Step 4: Simplify right side
    185,041.50x = 27,722,313,329.21
  5. Step 5: Solve for x
    x = 27,722,313,329.21/185,041.50
  6. Step 6: Final answer
    x = 149,816.73

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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.