Home / 156,718.41-216,265.82-85,096.95

Finding the Fourth Proportional to 156,718.41, 216,265.82 and 85,096.95

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Solution

The fourth proportional to 156,718.41, 216,265.82 and 85,096.95 is: 117,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718.41 : 216,265.82 = 85,096.95 : x
  2. Step 2: Convert to fraction form
    156,718.41/216,265.82 = 85,096.95/x
  3. Step 3: Cross multiply
    156,718.41x = 216,265.82 × 85,096.95
  4. Step 4: Simplify right side
    156,718.41x = 18,403,561,245.76
  5. Step 5: Solve for x
    x = 18,403,561,245.76/156,718.41
  6. Step 6: Final answer
    x = 117,430.76

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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.