Home / 132,116.70-198,175.05-122,007.90

Finding the Fourth Proportional to 132,116.70, 198,175.05 and 122,007.90

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Solution

The fourth proportional to 132,116.70, 198,175.05 and 122,007.90 is: 183,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,116.70 : 198,175.05 = 122,007.90 : x
  2. Step 2: Convert to fraction form
    132,116.70/198,175.05 = 122,007.90/x
  3. Step 3: Cross multiply
    132,116.70x = 198,175.05 × 122,007.90
  4. Step 4: Simplify right side
    132,116.70x = 24,178,921,682.90
  5. Step 5: Solve for x
    x = 24,178,921,682.90/132,116.70
  6. Step 6: Final answer
    x = 183,011.85

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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.