Home / 134,882.16-186,137.39-74,452.82

Finding the Fourth Proportional to 134,882.16, 186,137.39 and 74,452.82

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Solution

The fourth proportional to 134,882.16, 186,137.39 and 74,452.82 is: 102,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,882.16 : 186,137.39 = 74,452.82 : x
  2. Step 2: Convert to fraction form
    134,882.16/186,137.39 = 74,452.82/x
  3. Step 3: Cross multiply
    134,882.16x = 186,137.39 × 74,452.82
  4. Step 4: Simplify right side
    134,882.16x = 13,858,453,592.94
  5. Step 5: Solve for x
    x = 13,858,453,592.94/134,882.16
  6. Step 6: Final answer
    x = 102,744.90

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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.