Home / 127,919.52-175,589.64-113,456.16

Finding the Fourth Proportional to 127,919.52, 175,589.64 and 113,456.16

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Solution

The fourth proportional to 127,919.52, 175,589.64 and 113,456.16 is: 155,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,919.52 : 175,589.64 = 113,456.16 : x
  2. Step 2: Convert to fraction form
    127,919.52/175,589.64 = 113,456.16/x
  3. Step 3: Cross multiply
    127,919.52x = 175,589.64 × 113,456.16
  4. Step 4: Simplify right side
    127,919.52x = 19,921,726,290.18
  5. Step 5: Solve for x
    x = 19,921,726,290.18/127,919.52
  6. Step 6: Final answer
    x = 155,736.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.