Home / 132,249.18-199,282.91-109,387.74

Finding the Fourth Proportional to 132,249.18, 199,282.91 and 109,387.74

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Solution

The fourth proportional to 132,249.18, 199,282.91 and 109,387.74 is: 164,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,249.18 : 199,282.91 = 109,387.74 : x
  2. Step 2: Convert to fraction form
    132,249.18/199,282.91 = 109,387.74/x
  3. Step 3: Cross multiply
    132,249.18x = 199,282.91 × 109,387.74
  4. Step 4: Simplify right side
    132,249.18x = 21,799,106,598.58
  5. Step 5: Solve for x
    x = 21,799,106,598.58/132,249.18
  6. Step 6: Final answer
    x = 164,833.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.