Home / 127,273.80-175,627.38-69,910.17

Finding the Fourth Proportional to 127,273.80, 175,627.38 and 69,910.17

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Solution

The fourth proportional to 127,273.80, 175,627.38 and 69,910.17 is: 96,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,273.80 : 175,627.38 = 69,910.17 : x
  2. Step 2: Convert to fraction form
    127,273.80/175,627.38 = 69,910.17/x
  3. Step 3: Cross multiply
    127,273.80x = 175,627.38 × 69,910.17
  4. Step 4: Simplify right side
    127,273.80x = 12,278,139,992.45
  5. Step 5: Solve for x
    x = 12,278,139,992.45/127,273.80
  6. Step 6: Final answer
    x = 96,470.29

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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.