Home / 208,832.90-288,189.62-113,339.66

Finding the Fourth Proportional to 208,832.90, 288,189.62 and 113,339.66

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Solution

The fourth proportional to 208,832.90, 288,189.62 and 113,339.66 is: 156,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,832.90 : 288,189.62 = 113,339.66 : x
  2. Step 2: Convert to fraction form
    208,832.90/288,189.62 = 113,339.66/x
  3. Step 3: Cross multiply
    208,832.90x = 288,189.62 × 113,339.66
  4. Step 4: Simplify right side
    208,832.90x = 32,663,313,546.33
  5. Step 5: Solve for x
    x = 32,663,313,546.33/208,832.90
  6. Step 6: Final answer
    x = 156,408.85

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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.