Home / 214,718.40-322,077.60-165,049.20

Finding the Fourth Proportional to 214,718.40, 322,077.60 and 165,049.20

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Solution

The fourth proportional to 214,718.40, 322,077.60 and 165,049.20 is: 247,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,718.40 : 322,077.60 = 165,049.20 : x
  2. Step 2: Convert to fraction form
    214,718.40/322,077.60 = 165,049.20/x
  3. Step 3: Cross multiply
    214,718.40x = 322,077.60 × 165,049.20
  4. Step 4: Simplify right side
    214,718.40x = 53,158,650,217.92
  5. Step 5: Solve for x
    x = 53,158,650,217.92/214,718.40
  6. Step 6: Final answer
    x = 247,573.80

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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.