Home / 209,247.10-288,748.73-113,752.96

Finding the Fourth Proportional to 209,247.10, 288,748.73 and 113,752.96

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Solution

The fourth proportional to 209,247.10, 288,748.73 and 113,752.96 is: 156,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,247.10 : 288,748.73 = 113,752.96 : x
  2. Step 2: Convert to fraction form
    209,247.10/288,748.73 = 113,752.96/x
  3. Step 3: Cross multiply
    209,247.10x = 288,748.73 × 113,752.96
  4. Step 4: Simplify right side
    209,247.10x = 32,846,022,296.25
  5. Step 5: Solve for x
    x = 32,846,022,296.25/209,247.10
  6. Step 6: Final answer
    x = 156,972.42

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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.