Home / 205,490.25-283,587.35-124,904.70

Finding the Fourth Proportional to 205,490.25, 283,587.35 and 124,904.70

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Solution

The fourth proportional to 205,490.25, 283,587.35 and 124,904.70 is: 172,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,490.25 : 283,587.35 = 124,904.70 : x
  2. Step 2: Convert to fraction form
    205,490.25/283,587.35 = 124,904.70/x
  3. Step 3: Cross multiply
    205,490.25x = 283,587.35 × 124,904.70
  4. Step 4: Simplify right side
    205,490.25x = 35,421,392,251.02
  5. Step 5: Solve for x
    x = 35,421,392,251.02/205,490.25
  6. Step 6: Final answer
    x = 172,375.05

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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.