Home / 208,795.26-288,138.22-113,301.95

Finding the Fourth Proportional to 208,795.26, 288,138.22 and 113,301.95

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Solution

The fourth proportional to 208,795.26, 288,138.22 and 113,301.95 is: 156,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,795.26 : 288,138.22 = 113,301.95 : x
  2. Step 2: Convert to fraction form
    208,795.26/288,138.22 = 113,301.95/x
  3. Step 3: Cross multiply
    208,795.26x = 288,138.22 × 113,301.95
  4. Step 4: Simplify right side
    208,795.26x = 32,646,622,195.53
  5. Step 5: Solve for x
    x = 32,646,622,195.53/208,795.26
  6. Step 6: Final answer
    x = 156,357.10

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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.