Home / 179,113.07-268,687.13-66,767.09

Finding the Fourth Proportional to 179,113.07, 268,687.13 and 66,767.09

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Solution

The fourth proportional to 179,113.07, 268,687.13 and 66,767.09 is: 100,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,113.07 : 268,687.13 = 66,767.09 : x
  2. Step 2: Convert to fraction form
    179,113.07/268,687.13 = 66,767.09/x
  3. Step 3: Cross multiply
    179,113.07x = 268,687.13 × 66,767.09
  4. Step 4: Simplify right side
    179,113.07x = 17,939,456,113.28
  5. Step 5: Solve for x
    x = 17,939,456,113.28/179,113.07
  6. Step 6: Final answer
    x = 100,157.16

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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.