Home / 178,826.10-268,239.15-112,312.95

Finding the Fourth Proportional to 178,826.10, 268,239.15 and 112,312.95

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Solution

The fourth proportional to 178,826.10, 268,239.15 and 112,312.95 is: 168,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,826.10 : 268,239.15 = 112,312.95 : x
  2. Step 2: Convert to fraction form
    178,826.10/268,239.15 = 112,312.95/x
  3. Step 3: Cross multiply
    178,826.10x = 268,239.15 × 112,312.95
  4. Step 4: Simplify right side
    178,826.10x = 30,126,730,241.99
  5. Step 5: Solve for x
    x = 30,126,730,241.99/178,826.10
  6. Step 6: Final answer
    x = 168,469.43

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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.