Home / 134,471.24-185,568.78-74,040.62

Finding the Fourth Proportional to 134,471.24, 185,568.78 and 74,040.62

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Solution

The fourth proportional to 134,471.24, 185,568.78 and 74,040.62 is: 102,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.24 : 185,568.78 = 74,040.62 : x
  2. Step 2: Convert to fraction form
    134,471.24/185,568.78 = 74,040.62/x
  3. Step 3: Cross multiply
    134,471.24x = 185,568.78 × 74,040.62
  4. Step 4: Simplify right side
    134,471.24x = 13,739,627,523.84
  5. Step 5: Solve for x
    x = 13,739,627,523.84/134,471.24
  6. Step 6: Final answer
    x = 102,175.21

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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.