Home / 132,908.82-198,515.98-120,239.12

Finding the Fourth Proportional to 132,908.82, 198,515.98 and 120,239.12

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Solution

The fourth proportional to 132,908.82, 198,515.98 and 120,239.12 is: 179,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,908.82 : 198,515.98 = 120,239.12 : x
  2. Step 2: Convert to fraction form
    132,908.82/198,515.98 = 120,239.12/x
  3. Step 3: Cross multiply
    132,908.82x = 198,515.98 × 120,239.12
  4. Step 4: Simplify right side
    132,908.82x = 23,869,386,741.14
  5. Step 5: Solve for x
    x = 23,869,386,741.14/132,908.82
  6. Step 6: Final answer
    x = 179,592.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.