Home / 125,283.39-173,120.13-91,232.61

Finding the Fourth Proportional to 125,283.39, 173,120.13 and 91,232.61

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Solution

The fourth proportional to 125,283.39, 173,120.13 and 91,232.61 is: 126,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,283.39 : 173,120.13 = 91,232.61 : x
  2. Step 2: Convert to fraction form
    125,283.39/173,120.13 = 91,232.61/x
  3. Step 3: Cross multiply
    125,283.39x = 173,120.13 × 91,232.61
  4. Step 4: Simplify right side
    125,283.39x = 15,794,201,303.44
  5. Step 5: Solve for x
    x = 15,794,201,303.44/125,283.39
  6. Step 6: Final answer
    x = 126,067.80

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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.