Home / 209,363.83-288,997.25-124,480.69

Finding the Fourth Proportional to 209,363.83, 288,997.25 and 124,480.69

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Solution

The fourth proportional to 209,363.83, 288,997.25 and 124,480.69 is: 171,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,363.83 : 288,997.25 = 124,480.69 : x
  2. Step 2: Convert to fraction form
    209,363.83/288,997.25 = 124,480.69/x
  3. Step 3: Cross multiply
    209,363.83x = 288,997.25 × 124,480.69
  4. Step 4: Simplify right side
    209,363.83x = 35,974,575,743.21
  5. Step 5: Solve for x
    x = 35,974,575,743.21/209,363.83
  6. Step 6: Final answer
    x = 171,828.04

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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.