Home / 157,002.12-216,660.69-85,382.73

Finding the Fourth Proportional to 157,002.12, 216,660.69 and 85,382.73

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Solution

The fourth proportional to 157,002.12, 216,660.69 and 85,382.73 is: 117,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,002.12 : 216,660.69 = 85,382.73 : x
  2. Step 2: Convert to fraction form
    157,002.12/216,660.69 = 85,382.73/x
  3. Step 3: Cross multiply
    157,002.12x = 216,660.69 × 85,382.73
  4. Step 4: Simplify right side
    157,002.12x = 18,499,081,195.88
  5. Step 5: Solve for x
    x = 18,499,081,195.88/157,002.12
  6. Step 6: Final answer
    x = 117,826.95

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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.