Home / 136,231.55-188,092.22-85,264.86

Finding the Fourth Proportional to 136,231.55, 188,092.22 and 85,264.86

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Solution

The fourth proportional to 136,231.55, 188,092.22 and 85,264.86 is: 117,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,231.55 : 188,092.22 = 85,264.86 : x
  2. Step 2: Convert to fraction form
    136,231.55/188,092.22 = 85,264.86/x
  3. Step 3: Cross multiply
    136,231.55x = 188,092.22 × 85,264.86
  4. Step 4: Simplify right side
    136,231.55x = 16,037,656,379.06
  5. Step 5: Solve for x
    x = 16,037,656,379.06/136,231.55
  6. Step 6: Final answer
    x = 117,723.52

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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.