Home / 135,182.45-186,552.99-74,757.16

Finding the Fourth Proportional to 135,182.45, 186,552.99 and 74,757.16

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Solution

The fourth proportional to 135,182.45, 186,552.99 and 74,757.16 is: 103,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,182.45 : 186,552.99 = 74,757.16 : x
  2. Step 2: Convert to fraction form
    135,182.45/186,552.99 = 74,757.16/x
  3. Step 3: Cross multiply
    135,182.45x = 186,552.99 × 74,757.16
  4. Step 4: Simplify right side
    135,182.45x = 13,946,171,255.53
  5. Step 5: Solve for x
    x = 13,946,171,255.53/135,182.45
  6. Step 6: Final answer
    x = 103,165.55

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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.