Home / 151,744.43-209,407.28-83,761.39

Finding the Fourth Proportional to 151,744.43, 209,407.28 and 83,761.39

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Solution

The fourth proportional to 151,744.43, 209,407.28 and 83,761.39 is: 115,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,744.43 : 209,407.28 = 83,761.39 : x
  2. Step 2: Convert to fraction form
    151,744.43/209,407.28 = 83,761.39/x
  3. Step 3: Cross multiply
    151,744.43x = 209,407.28 × 83,761.39
  4. Step 4: Simplify right side
    151,744.43x = 17,540,244,534.80
  5. Step 5: Solve for x
    x = 17,540,244,534.80/151,744.43
  6. Step 6: Final answer
    x = 115,590.70

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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.