Home / 203,695.43-280,102.66-176,791.07

Finding the Fourth Proportional to 203,695.43, 280,102.66 and 176,791.07

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Solution

The fourth proportional to 203,695.43, 280,102.66 and 176,791.07 is: 243,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,695.43 : 280,102.66 = 176,791.07 : x
  2. Step 2: Convert to fraction form
    203,695.43/280,102.66 = 176,791.07/x
  3. Step 3: Cross multiply
    203,695.43x = 280,102.66 × 176,791.07
  4. Step 4: Simplify right side
    203,695.43x = 49,519,649,229.53
  5. Step 5: Solve for x
    x = 49,519,649,229.53/203,695.43
  6. Step 6: Final answer
    x = 243,106.34

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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.