Home / 218,750.14-327,907.18-92,422.20

Finding the Fourth Proportional to 218,750.14, 327,907.18 and 92,422.20

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Solution

The fourth proportional to 218,750.14, 327,907.18 and 92,422.20 is: 138,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,750.14 : 327,907.18 = 92,422.20 : x
  2. Step 2: Convert to fraction form
    218,750.14/327,907.18 = 92,422.20/x
  3. Step 3: Cross multiply
    218,750.14x = 327,907.18 × 92,422.20
  4. Step 4: Simplify right side
    218,750.14x = 30,305,902,971.40
  5. Step 5: Solve for x
    x = 30,305,902,971.40/218,750.14
  6. Step 6: Final answer
    x = 138,541.18

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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.