Home / 132,844.80-199,320.60-53,965.20

Finding the Fourth Proportional to 132,844.80, 199,320.60 and 53,965.20

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Solution

The fourth proportional to 132,844.80, 199,320.60 and 53,965.20 is: 80,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,844.80 : 199,320.60 = 53,965.20 : x
  2. Step 2: Convert to fraction form
    132,844.80/199,320.60 = 53,965.20/x
  3. Step 3: Cross multiply
    132,844.80x = 199,320.60 × 53,965.20
  4. Step 4: Simplify right side
    132,844.80x = 10,756,376,043.12
  5. Step 5: Solve for x
    x = 10,756,376,043.12/132,844.80
  6. Step 6: Final answer
    x = 80,969.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.