Home / 205,458.64-283,565.46-124,911.40

Finding the Fourth Proportional to 205,458.64, 283,565.46 and 124,911.40

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Solution

The fourth proportional to 205,458.64, 283,565.46 and 124,911.40 is: 172,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,458.64 : 283,565.46 = 124,911.40 : x
  2. Step 2: Convert to fraction form
    205,458.64/283,565.46 = 124,911.40/x
  3. Step 3: Cross multiply
    205,458.64x = 283,565.46 × 124,911.40
  4. Step 4: Simplify right side
    205,458.64x = 35,420,558,600.24
  5. Step 5: Solve for x
    x = 35,420,558,600.24/205,458.64
  6. Step 6: Final answer
    x = 172,397.51

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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.