Home / 132,357.80-198,245.10-117,583.40

Finding the Fourth Proportional to 132,357.80, 198,245.10 and 117,583.40

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Solution

The fourth proportional to 132,357.80, 198,245.10 and 117,583.40 is: 176,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,357.80 : 198,245.10 = 117,583.40 : x
  2. Step 2: Convert to fraction form
    132,357.80/198,245.10 = 117,583.40/x
  3. Step 3: Cross multiply
    132,357.80x = 198,245.10 × 117,583.40
  4. Step 4: Simplify right side
    132,357.80x = 23,310,332,891.34
  5. Step 5: Solve for x
    x = 23,310,332,891.34/132,357.80
  6. Step 6: Final answer
    x = 176,116.05

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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.