Home / 205,456.96-283,530-113,585.68

Finding the Fourth Proportional to 205,456.96, 283,530 and 113,585.68

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Solution

The fourth proportional to 205,456.96, 283,530 and 113,585.68 is: 156,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,456.96 : 283,530 = 113,585.68 : x
  2. Step 2: Convert to fraction form
    205,456.96/283,530 = 113,585.68/x
  3. Step 3: Cross multiply
    205,456.96x = 283,530 × 113,585.68
  4. Step 4: Simplify right side
    205,456.96x = 32,204,947,850.40
  5. Step 5: Solve for x
    x = 32,204,947,850.40/205,456.96
  6. Step 6: Final answer
    x = 156,747.90

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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.