Home / 203,584.19-280,946.90-112,941.95

Finding the Fourth Proportional to 203,584.19, 280,946.90 and 112,941.95

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Solution

The fourth proportional to 203,584.19, 280,946.90 and 112,941.95 is: 155,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,584.19 : 280,946.90 = 112,941.95 : x
  2. Step 2: Convert to fraction form
    203,584.19/280,946.90 = 112,941.95/x
  3. Step 3: Cross multiply
    203,584.19x = 280,946.90 × 112,941.95
  4. Step 4: Simplify right side
    203,584.19x = 31,730,690,167.75
  5. Step 5: Solve for x
    x = 31,730,690,167.75/203,584.19
  6. Step 6: Final answer
    x = 155,860.29

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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.