Home / 167,768.52-231,400.92-103,153.08

Finding the Fourth Proportional to 167,768.52, 231,400.92 and 103,153.08

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Solution

The fourth proportional to 167,768.52, 231,400.92 and 103,153.08 is: 142,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,768.52 : 231,400.92 = 103,153.08 : x
  2. Step 2: Convert to fraction form
    167,768.52/231,400.92 = 103,153.08/x
  3. Step 3: Cross multiply
    167,768.52x = 231,400.92 × 103,153.08
  4. Step 4: Simplify right side
    167,768.52x = 23,869,717,612.83
  5. Step 5: Solve for x
    x = 23,869,717,612.83/167,768.52
  6. Step 6: Final answer
    x = 142,277.69

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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.