Home / 134,724.44-185,919.68-77,367.53

Finding the Fourth Proportional to 134,724.44, 185,919.68 and 77,367.53

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Solution

The fourth proportional to 134,724.44, 185,919.68 and 77,367.53 is: 106,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,724.44 : 185,919.68 = 77,367.53 : x
  2. Step 2: Convert to fraction form
    134,724.44/185,919.68 = 77,367.53/x
  3. Step 3: Cross multiply
    134,724.44x = 185,919.68 × 77,367.53
  4. Step 4: Simplify right side
    134,724.44x = 14,384,146,419.99
  5. Step 5: Solve for x
    x = 14,384,146,419.99/134,724.44
  6. Step 6: Final answer
    x = 106,767.16

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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.