Home / 134,891.68-186,149.46-74,462.31

Finding the Fourth Proportional to 134,891.68, 186,149.46 and 74,462.31

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Solution

The fourth proportional to 134,891.68, 186,149.46 and 74,462.31 is: 102,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,891.68 : 186,149.46 = 74,462.31 : x
  2. Step 2: Convert to fraction form
    134,891.68/186,149.46 = 74,462.31/x
  3. Step 3: Cross multiply
    134,891.68x = 186,149.46 × 74,462.31
  4. Step 4: Simplify right side
    134,891.68x = 13,861,118,796.85
  5. Step 5: Solve for x
    x = 13,861,118,796.85/134,891.68
  6. Step 6: Final answer
    x = 102,757.40

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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.