Home / 127,619.25-176,067.32-127,422.42

Finding the Fourth Proportional to 127,619.25, 176,067.32 and 127,422.42

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Solution

The fourth proportional to 127,619.25, 176,067.32 and 127,422.42 is: 175,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,619.25 : 176,067.32 = 127,422.42 : x
  2. Step 2: Convert to fraction form
    127,619.25/176,067.32 = 127,422.42/x
  3. Step 3: Cross multiply
    127,619.25x = 176,067.32 × 127,422.42
  4. Step 4: Simplify right side
    127,619.25x = 22,434,923,416.70
  5. Step 5: Solve for x
    x = 22,434,923,416.70/127,619.25
  6. Step 6: Final answer
    x = 175,795.77

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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.