Home / 209,077.85-288,552.17-124,195.25

Finding the Fourth Proportional to 209,077.85, 288,552.17 and 124,195.25

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Solution

The fourth proportional to 209,077.85, 288,552.17 and 124,195.25 is: 171,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,077.85 : 288,552.17 = 124,195.25 : x
  2. Step 2: Convert to fraction form
    209,077.85/288,552.17 = 124,195.25/x
  3. Step 3: Cross multiply
    209,077.85x = 288,552.17 × 124,195.25
  4. Step 4: Simplify right side
    209,077.85x = 35,836,808,891.19
  5. Step 5: Solve for x
    x = 35,836,808,891.19/209,077.85
  6. Step 6: Final answer
    x = 171,404.14

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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.