Home / 205,560.32-283,657.56-124,976.68

Finding the Fourth Proportional to 205,560.32, 283,657.56 and 124,976.68

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Solution

The fourth proportional to 205,560.32, 283,657.56 and 124,976.68 is: 172,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,560.32 : 283,657.56 = 124,976.68 : x
  2. Step 2: Convert to fraction form
    205,560.32/283,657.56 = 124,976.68/x
  3. Step 3: Cross multiply
    205,560.32x = 283,657.56 × 124,976.68
  4. Step 4: Simplify right side
    205,560.32x = 35,450,580,105.70
  5. Step 5: Solve for x
    x = 35,450,580,105.70/205,560.32
  6. Step 6: Final answer
    x = 172,458.28

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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.