Home / 132,963.80-198,408.63-118,633.75

Finding the Fourth Proportional to 132,963.80, 198,408.63 and 118,633.75

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Solution

The fourth proportional to 132,963.80, 198,408.63 and 118,633.75 is: 177,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,963.80 : 198,408.63 = 118,633.75 : x
  2. Step 2: Convert to fraction form
    132,963.80/198,408.63 = 118,633.75/x
  3. Step 3: Cross multiply
    132,963.80x = 198,408.63 × 118,633.75
  4. Step 4: Simplify right side
    132,963.80x = 23,537,959,758.12
  5. Step 5: Solve for x
    x = 23,537,959,758.12/132,963.80
  6. Step 6: Final answer
    x = 177,025.33

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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.