Home / 117,818.22-162,687.24-109,270.56

Finding the Fourth Proportional to 117,818.22, 162,687.24 and 109,270.56

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Solution

The fourth proportional to 117,818.22, 162,687.24 and 109,270.56 is: 150,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,818.22 : 162,687.24 = 109,270.56 : x
  2. Step 2: Convert to fraction form
    117,818.22/162,687.24 = 109,270.56/x
  3. Step 3: Cross multiply
    117,818.22x = 162,687.24 × 109,270.56
  4. Step 4: Simplify right side
    117,818.22x = 17,776,925,819.65
  5. Step 5: Solve for x
    x = 17,776,925,819.65/117,818.22
  6. Step 6: Final answer
    x = 150,884.35

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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.