Home / 156,625.39-216,141.24-85,005.46

Finding the Fourth Proportional to 156,625.39, 216,141.24 and 85,005.46

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Solution

The fourth proportional to 156,625.39, 216,141.24 and 85,005.46 is: 117,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,625.39 : 216,141.24 = 85,005.46 : x
  2. Step 2: Convert to fraction form
    156,625.39/216,141.24 = 85,005.46/x
  3. Step 3: Cross multiply
    156,625.39x = 216,141.24 × 85,005.46
  4. Step 4: Simplify right side
    156,625.39x = 18,373,185,531.17
  5. Step 5: Solve for x
    x = 18,373,185,531.17/156,625.39
  6. Step 6: Final answer
    x = 117,306.56

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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.