Home / 205,305.29-283,158.65-124,730.54

Finding the Fourth Proportional to 205,305.29, 283,158.65 and 124,730.54

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Solution

The fourth proportional to 205,305.29, 283,158.65 and 124,730.54 is: 172,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,305.29 : 283,158.65 = 124,730.54 : x
  2. Step 2: Convert to fraction form
    205,305.29/283,158.65 = 124,730.54/x
  3. Step 3: Cross multiply
    205,305.29x = 283,158.65 × 124,730.54
  4. Step 4: Simplify right side
    205,305.29x = 35,318,531,320.17
  5. Step 5: Solve for x
    x = 35,318,531,320.17/205,305.29
  6. Step 6: Final answer
    x = 172,029.33

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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.