Home / 164,589.12-246,844.80-75,787.20

Finding the Fourth Proportional to 164,589.12, 246,844.80 and 75,787.20

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Solution

The fourth proportional to 164,589.12, 246,844.80 and 75,787.20 is: 113,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,589.12 : 246,844.80 = 75,787.20 : x
  2. Step 2: Convert to fraction form
    164,589.12/246,844.80 = 75,787.20/x
  3. Step 3: Cross multiply
    164,589.12x = 246,844.80 × 75,787.20
  4. Step 4: Simplify right side
    164,589.12x = 18,707,676,226.56
  5. Step 5: Solve for x
    x = 18,707,676,226.56/164,589.12
  6. Step 6: Final answer
    x = 113,662.90

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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.