Home / 185,474.48-255,955.10-100,591.61

Finding the Fourth Proportional to 185,474.48, 255,955.10 and 100,591.61

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Solution

The fourth proportional to 185,474.48, 255,955.10 and 100,591.61 is: 138,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,474.48 : 255,955.10 = 100,591.61 : x
  2. Step 2: Convert to fraction form
    185,474.48/255,955.10 = 100,591.61/x
  3. Step 3: Cross multiply
    185,474.48x = 255,955.10 × 100,591.61
  4. Step 4: Simplify right side
    185,474.48x = 25,746,933,813.98
  5. Step 5: Solve for x
    x = 25,746,933,813.98/185,474.48
  6. Step 6: Final answer
    x = 138,816.59

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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.