Home / 218,453.29-327,807.30-92,085.80

Finding the Fourth Proportional to 218,453.29, 327,807.30 and 92,085.80

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Solution

The fourth proportional to 218,453.29, 327,807.30 and 92,085.80 is: 138,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,453.29 : 327,807.30 = 92,085.80 : x
  2. Step 2: Convert to fraction form
    218,453.29/327,807.30 = 92,085.80/x
  3. Step 3: Cross multiply
    218,453.29x = 327,807.30 × 92,085.80
  4. Step 4: Simplify right side
    218,453.29x = 30,186,395,827.30
  5. Step 5: Solve for x
    x = 30,186,395,827.30/218,453.29
  6. Step 6: Final answer
    x = 138,182.38

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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.