Home / 498,427.10-747,621.20-166,003.10

Finding the Fourth Proportional to 498,427.10, 747,621.20 and 166,003.10

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Solution

The fourth proportional to 498,427.10, 747,621.20 and 166,003.10 is: 248,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,427.10 : 747,621.20 = 166,003.10 : x
  2. Step 2: Convert to fraction form
    498,427.10/747,621.20 = 166,003.10/x
  3. Step 3: Cross multiply
    498,427.10x = 747,621.20 × 166,003.10
  4. Step 4: Simplify right side
    498,427.10x = 124,107,436,825.72
  5. Step 5: Solve for x
    x = 124,107,436,825.72/498,427.10
  6. Step 6: Final answer
    x = 248,998.17

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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.