Home / 194,690.12-268,568.26-134,290.64

Finding the Fourth Proportional to 194,690.12, 268,568.26 and 134,290.64

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Solution

The fourth proportional to 194,690.12, 268,568.26 and 134,290.64 is: 185,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,690.12 : 268,568.26 = 134,290.64 : x
  2. Step 2: Convert to fraction form
    194,690.12/268,568.26 = 134,290.64/x
  3. Step 3: Cross multiply
    194,690.12x = 268,568.26 × 134,290.64
  4. Step 4: Simplify right side
    194,690.12x = 36,066,203,854.78
  5. Step 5: Solve for x
    x = 36,066,203,854.78/194,690.12
  6. Step 6: Final answer
    x = 185,249.28

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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.