Home / 127,198.80-175,179.24-124,443.72

Finding the Fourth Proportional to 127,198.80, 175,179.24 and 124,443.72

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Solution

The fourth proportional to 127,198.80, 175,179.24 and 124,443.72 is: 171,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,198.80 : 175,179.24 = 124,443.72 : x
  2. Step 2: Convert to fraction form
    127,198.80/175,179.24 = 124,443.72/x
  3. Step 3: Cross multiply
    127,198.80x = 175,179.24 × 124,443.72
  4. Step 4: Simplify right side
    127,198.80x = 21,799,956,292.37
  5. Step 5: Solve for x
    x = 21,799,956,292.37/127,198.80
  6. Step 6: Final answer
    x = 171,384.92

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1.5x scale

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.