Home / 201,826.59-278,517.20-116,951.55

Finding the Fourth Proportional to 201,826.59, 278,517.20 and 116,951.55

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Solution

The fourth proportional to 201,826.59, 278,517.20 and 116,951.55 is: 161,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,826.59 : 278,517.20 = 116,951.55 : x
  2. Step 2: Convert to fraction form
    201,826.59/278,517.20 = 116,951.55/x
  3. Step 3: Cross multiply
    201,826.59x = 278,517.20 × 116,951.55
  4. Step 4: Simplify right side
    201,826.59x = 32,573,017,656.90
  5. Step 5: Solve for x
    x = 32,573,017,656.90/201,826.59
  6. Step 6: Final answer
    x = 161,391.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.