Home / 132,046.20-198,506.70-112,800.60

Finding the Fourth Proportional to 132,046.20, 198,506.70 and 112,800.60

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Solution

The fourth proportional to 132,046.20, 198,506.70 and 112,800.60 is: 169,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,046.20 : 198,506.70 = 112,800.60 : x
  2. Step 2: Convert to fraction form
    132,046.20/198,506.70 = 112,800.60/x
  3. Step 3: Cross multiply
    132,046.20x = 198,506.70 × 112,800.60
  4. Step 4: Simplify right side
    132,046.20x = 22,391,674,864.02
  5. Step 5: Solve for x
    x = 22,391,674,864.02/132,046.20
  6. Step 6: Final answer
    x = 169,574.55

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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.