Home / 167,167.87-230,631.12-109,838.05

Finding the Fourth Proportional to 167,167.87, 230,631.12 and 109,838.05

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Solution

The fourth proportional to 167,167.87, 230,631.12 and 109,838.05 is: 151,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,167.87 : 230,631.12 = 109,838.05 : x
  2. Step 2: Convert to fraction form
    167,167.87/230,631.12 = 109,838.05/x
  3. Step 3: Cross multiply
    167,167.87x = 230,631.12 × 109,838.05
  4. Step 4: Simplify right side
    167,167.87x = 25,332,071,913.54
  5. Step 5: Solve for x
    x = 25,332,071,913.54/167,167.87
  6. Step 6: Final answer
    x = 151,536.73

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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.