Home / 214,923.20-322,729.05-170,915.90

Finding the Fourth Proportional to 214,923.20, 322,729.05 and 170,915.90

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Solution

The fourth proportional to 214,923.20, 322,729.05 and 170,915.90 is: 256,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,923.20 : 322,729.05 = 170,915.90 : x
  2. Step 2: Convert to fraction form
    214,923.20/322,729.05 = 170,915.90/x
  3. Step 3: Cross multiply
    214,923.20x = 322,729.05 × 170,915.90
  4. Step 4: Simplify right side
    214,923.20x = 55,159,526,036.90
  5. Step 5: Solve for x
    x = 55,159,526,036.90/214,923.20
  6. Step 6: Final answer
    x = 256,647.61

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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.