Home / 115,424.20-172,844.70-92,096.20

Finding the Fourth Proportional to 115,424.20, 172,844.70 and 92,096.20

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Solution

The fourth proportional to 115,424.20, 172,844.70 and 92,096.20 is: 137,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,424.20 : 172,844.70 = 92,096.20 : x
  2. Step 2: Convert to fraction form
    115,424.20/172,844.70 = 92,096.20/x
  3. Step 3: Cross multiply
    115,424.20x = 172,844.70 × 92,096.20
  4. Step 4: Simplify right side
    115,424.20x = 15,918,340,060.14
  5. Step 5: Solve for x
    x = 15,918,340,060.14/115,424.20
  6. Step 6: Final answer
    x = 137,911.63

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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.