Home / 133,073.38-199,714.35-92,830.61

Finding the Fourth Proportional to 133,073.38, 199,714.35 and 92,830.61

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Solution

The fourth proportional to 133,073.38, 199,714.35 and 92,830.61 is: 139,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.38 : 199,714.35 = 92,830.61 : x
  2. Step 2: Convert to fraction form
    133,073.38/199,714.35 = 92,830.61/x
  3. Step 3: Cross multiply
    133,073.38x = 199,714.35 × 92,830.61
  4. Step 4: Simplify right side
    133,073.38x = 18,539,604,936.25
  5. Step 5: Solve for x
    x = 18,539,604,936.25/133,073.38
  6. Step 6: Final answer
    x = 139,318.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.