Home / 156,645.46-216,164.94-85,023.96

Finding the Fourth Proportional to 156,645.46, 216,164.94 and 85,023.96

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Solution

The fourth proportional to 156,645.46, 216,164.94 and 85,023.96 is: 117,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,645.46 : 216,164.94 = 85,023.96 : x
  2. Step 2: Convert to fraction form
    156,645.46/216,164.94 = 85,023.96/x
  3. Step 3: Cross multiply
    156,645.46x = 216,164.94 × 85,023.96
  4. Step 4: Simplify right side
    156,645.46x = 18,379,199,211.96
  5. Step 5: Solve for x
    x = 18,379,199,211.96/156,645.46
  6. Step 6: Final answer
    x = 117,329.92

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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.