Home / 132,359.80-198,248.10-117,585.40

Finding the Fourth Proportional to 132,359.80, 198,248.10 and 117,585.40

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Solution

The fourth proportional to 132,359.80, 198,248.10 and 117,585.40 is: 176,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359.80 : 198,248.10 = 117,585.40 : x
  2. Step 2: Convert to fraction form
    132,359.80/198,248.10 = 117,585.40/x
  3. Step 3: Cross multiply
    132,359.80x = 198,248.10 × 117,585.40
  4. Step 4: Simplify right side
    132,359.80x = 23,311,082,137.74
  5. Step 5: Solve for x
    x = 23,311,082,137.74/132,359.80
  6. Step 6: Final answer
    x = 176,119.05

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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.