Home / 320,864.73-442,839.66-184,872.60

Finding the Fourth Proportional to 320,864.73, 442,839.66 and 184,872.60

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Solution

The fourth proportional to 320,864.73, 442,839.66 and 184,872.60 is: 255,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,864.73 : 442,839.66 = 184,872.60 : x
  2. Step 2: Convert to fraction form
    320,864.73/442,839.66 = 184,872.60/x
  3. Step 3: Cross multiply
    320,864.73x = 442,839.66 × 184,872.60
  4. Step 4: Simplify right side
    320,864.73x = 81,868,919,327.32
  5. Step 5: Solve for x
    x = 81,868,919,327.32/320,864.73
  6. Step 6: Final answer
    x = 255,150.88

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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.