Home / 223,170.39-307,974.15-121,195.04

Finding the Fourth Proportional to 223,170.39, 307,974.15 and 121,195.04

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Solution

The fourth proportional to 223,170.39, 307,974.15 and 121,195.04 is: 167,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,170.39 : 307,974.15 = 121,195.04 : x
  2. Step 2: Convert to fraction form
    223,170.39/307,974.15 = 121,195.04/x
  3. Step 3: Cross multiply
    223,170.39x = 307,974.15 × 121,195.04
  4. Step 4: Simplify right side
    223,170.39x = 37,324,937,888.35
  5. Step 5: Solve for x
    x = 37,324,937,888.35/223,170.39
  6. Step 6: Final answer
    x = 167,248.61

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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.