Home / 127,375.07-175,473.78-89,062.92

Finding the Fourth Proportional to 127,375.07, 175,473.78 and 89,062.92

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Solution

The fourth proportional to 127,375.07, 175,473.78 and 89,062.92 is: 122,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,375.07 : 175,473.78 = 89,062.92 : x
  2. Step 2: Convert to fraction form
    127,375.07/175,473.78 = 89,062.92/x
  3. Step 3: Cross multiply
    127,375.07x = 175,473.78 × 89,062.92
  4. Step 4: Simplify right side
    127,375.07x = 15,628,207,230.24
  5. Step 5: Solve for x
    x = 15,628,207,230.24/127,375.07
  6. Step 6: Final answer
    x = 122,694.40

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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.