Home / 230,881.38-346,318.82-73,109.78

Finding the Fourth Proportional to 230,881.38, 346,318.82 and 73,109.78

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Solution

The fourth proportional to 230,881.38, 346,318.82 and 73,109.78 is: 109,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,881.38 : 346,318.82 = 73,109.78 : x
  2. Step 2: Convert to fraction form
    230,881.38/346,318.82 = 73,109.78/x
  3. Step 3: Cross multiply
    230,881.38x = 346,318.82 × 73,109.78
  4. Step 4: Simplify right side
    230,881.38x = 25,319,292,740.06
  5. Step 5: Solve for x
    x = 25,319,292,740.06/230,881.38
  6. Step 6: Final answer
    x = 109,663.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.