Home / 156,635.93-215,994.13-92,961.43

Finding the Fourth Proportional to 156,635.93, 215,994.13 and 92,961.43

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Solution

The fourth proportional to 156,635.93, 215,994.13 and 92,961.43 is: 128,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635.93 : 215,994.13 = 92,961.43 : x
  2. Step 2: Convert to fraction form
    156,635.93/215,994.13 = 92,961.43/x
  3. Step 3: Cross multiply
    156,635.93x = 215,994.13 × 92,961.43
  4. Step 4: Simplify right side
    156,635.93x = 20,079,123,196.41
  5. Step 5: Solve for x
    x = 20,079,123,196.41/156,635.93
  6. Step 6: Final answer
    x = 128,189.77

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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.