Home / 135,198.01-186,569.83-74,767.05

Finding the Fourth Proportional to 135,198.01, 186,569.83 and 74,767.05

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Solution

The fourth proportional to 135,198.01, 186,569.83 and 74,767.05 is: 103,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,198.01 : 186,569.83 = 74,767.05 : x
  2. Step 2: Convert to fraction form
    135,198.01/186,569.83 = 74,767.05/x
  3. Step 3: Cross multiply
    135,198.01x = 186,569.83 × 74,767.05
  4. Step 4: Simplify right side
    135,198.01x = 13,949,274,501.42
  5. Step 5: Solve for x
    x = 13,949,274,501.42/135,198.01
  6. Step 6: Final answer
    x = 103,176.63

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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.