Home / 156,949.73-216,588.22-85,329.12

Finding the Fourth Proportional to 156,949.73, 216,588.22 and 85,329.12

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Solution

The fourth proportional to 156,949.73, 216,588.22 and 85,329.12 is: 117,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.73 : 216,588.22 = 85,329.12 : x
  2. Step 2: Convert to fraction form
    156,949.73/216,588.22 = 85,329.12/x
  3. Step 3: Cross multiply
    156,949.73x = 216,588.22 × 85,329.12
  4. Step 4: Simplify right side
    156,949.73x = 18,481,282,214.97
  5. Step 5: Solve for x
    x = 18,481,282,214.97/156,949.73
  6. Step 6: Final answer
    x = 117,752.88

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1.5x scale

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.