Home / 146,805.12-202,593.74-83,156.13

Finding the Fourth Proportional to 146,805.12, 202,593.74 and 83,156.13

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Solution

The fourth proportional to 146,805.12, 202,593.74 and 83,156.13 is: 114,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,805.12 : 202,593.74 = 83,156.13 : x
  2. Step 2: Convert to fraction form
    146,805.12/202,593.74 = 83,156.13/x
  3. Step 3: Cross multiply
    146,805.12x = 202,593.74 × 83,156.13
  4. Step 4: Simplify right side
    146,805.12x = 16,846,910,964.85
  5. Step 5: Solve for x
    x = 16,846,910,964.85/146,805.12
  6. Step 6: Final answer
    x = 114,756.97

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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.