Home / 209,334.78-288,780.48-124,391.70

Finding the Fourth Proportional to 209,334.78, 288,780.48 and 124,391.70

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Solution

The fourth proportional to 209,334.78, 288,780.48 and 124,391.70 is: 171,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,334.78 : 288,780.48 = 124,391.70 : x
  2. Step 2: Convert to fraction form
    209,334.78/288,780.48 = 124,391.70/x
  3. Step 3: Cross multiply
    209,334.78x = 288,780.48 × 124,391.70
  4. Step 4: Simplify right side
    209,334.78x = 35,921,894,834.02
  5. Step 5: Solve for x
    x = 35,921,894,834.02/209,334.78
  6. Step 6: Final answer
    x = 171,600.22

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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.