Home / 156,922.44-216,553.12-85,302.46

Finding the Fourth Proportional to 156,922.44, 216,553.12 and 85,302.46

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Solution

The fourth proportional to 156,922.44, 216,553.12 and 85,302.46 is: 117,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.44 : 216,553.12 = 85,302.46 : x
  2. Step 2: Convert to fraction form
    156,922.44/216,553.12 = 85,302.46/x
  3. Step 3: Cross multiply
    156,922.44x = 216,553.12 × 85,302.46
  4. Step 4: Simplify right side
    156,922.44x = 18,472,513,856.68
  5. Step 5: Solve for x
    x = 18,472,513,856.68/156,922.44
  6. Step 6: Final answer
    x = 117,717.48

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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.