Home / 208,517.20-287,754.35-113,024.27

Finding the Fourth Proportional to 208,517.20, 287,754.35 and 113,024.27

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Solution

The fourth proportional to 208,517.20, 287,754.35 and 113,024.27 is: 155,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,517.20 : 287,754.35 = 113,024.27 : x
  2. Step 2: Convert to fraction form
    208,517.20/287,754.35 = 113,024.27/x
  3. Step 3: Cross multiply
    208,517.20x = 287,754.35 × 113,024.27
  4. Step 4: Simplify right side
    208,517.20x = 32,523,224,782.95
  5. Step 5: Solve for x
    x = 32,523,224,782.95/208,517.20
  6. Step 6: Final answer
    x = 155,973.83

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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.