Home / 134,738.53-185,935.15-74,309.14

Finding the Fourth Proportional to 134,738.53, 185,935.15 and 74,309.14

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Solution

The fourth proportional to 134,738.53, 185,935.15 and 74,309.14 is: 102,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,738.53 : 185,935.15 = 74,309.14 : x
  2. Step 2: Convert to fraction form
    134,738.53/185,935.15 = 74,309.14/x
  3. Step 3: Cross multiply
    134,738.53x = 185,935.15 × 74,309.14
  4. Step 4: Simplify right side
    134,738.53x = 13,816,679,791.05
  5. Step 5: Solve for x
    x = 13,816,679,791.05/134,738.53
  6. Step 6: Final answer
    x = 102,544.39

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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.