Home / 168,408.27-232,442.40-111,057.90

Finding the Fourth Proportional to 168,408.27, 232,442.40 and 111,057.90

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Solution

The fourth proportional to 168,408.27, 232,442.40 and 111,057.90 is: 153,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,408.27 : 232,442.40 = 111,057.90 : x
  2. Step 2: Convert to fraction form
    168,408.27/232,442.40 = 111,057.90/x
  3. Step 3: Cross multiply
    168,408.27x = 232,442.40 × 111,057.90
  4. Step 4: Simplify right side
    168,408.27x = 25,814,564,814.96
  5. Step 5: Solve for x
    x = 25,814,564,814.96/168,408.27
  6. Step 6: Final answer
    x = 153,285.61

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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.