Home / 146,644.68-202,356.18-82,972.20

Finding the Fourth Proportional to 146,644.68, 202,356.18 and 82,972.20

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Solution

The fourth proportional to 146,644.68, 202,356.18 and 82,972.20 is: 114,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,644.68 : 202,356.18 = 82,972.20 : x
  2. Step 2: Convert to fraction form
    146,644.68/202,356.18 = 82,972.20/x
  3. Step 3: Cross multiply
    146,644.68x = 202,356.18 × 82,972.20
  4. Step 4: Simplify right side
    146,644.68x = 16,789,937,438.20
  5. Step 5: Solve for x
    x = 16,789,937,438.20/146,644.68
  6. Step 6: Final answer
    x = 114,494.01

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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.