Home / 205,441.31-283,509.01-124,853.78

Finding the Fourth Proportional to 205,441.31, 283,509.01 and 124,853.78

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Solution

The fourth proportional to 205,441.31, 283,509.01 and 124,853.78 is: 172,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,441.31 : 283,509.01 = 124,853.78 : x
  2. Step 2: Convert to fraction form
    205,441.31/283,509.01 = 124,853.78/x
  3. Step 3: Cross multiply
    205,441.31x = 283,509.01 × 124,853.78
  4. Step 4: Simplify right side
    205,441.31x = 35,397,171,630.03
  5. Step 5: Solve for x
    x = 35,397,171,630.03/205,441.31
  6. Step 6: Final answer
    x = 172,298.22

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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.