Home / 209,076.85-288,550.79-124,194.25

Finding the Fourth Proportional to 209,076.85, 288,550.79 and 124,194.25

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Solution

The fourth proportional to 209,076.85, 288,550.79 and 124,194.25 is: 171,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,076.85 : 288,550.79 = 124,194.25 : x
  2. Step 2: Convert to fraction form
    209,076.85/288,550.79 = 124,194.25/x
  3. Step 3: Cross multiply
    209,076.85x = 288,550.79 × 124,194.25
  4. Step 4: Simplify right side
    209,076.85x = 35,836,348,950.96
  5. Step 5: Solve for x
    x = 35,836,348,950.96/209,076.85
  6. Step 6: Final answer
    x = 171,402.76

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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.