Home / 156,717.46-216,268.41-88,732.54

Finding the Fourth Proportional to 156,717.46, 216,268.41 and 88,732.54

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Solution

The fourth proportional to 156,717.46, 216,268.41 and 88,732.54 is: 122,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.46 : 216,268.41 = 88,732.54 : x
  2. Step 2: Convert to fraction form
    156,717.46/216,268.41 = 88,732.54/x
  3. Step 3: Cross multiply
    156,717.46x = 216,268.41 × 88,732.54
  4. Step 4: Simplify right side
    156,717.46x = 19,190,045,341.06
  5. Step 5: Solve for x
    x = 19,190,045,341.06/156,717.46
  6. Step 6: Final answer
    x = 122,449.95

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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.