Home / 194,619.42-268,344.66-137,268.18

Finding the Fourth Proportional to 194,619.42, 268,344.66 and 137,268.18

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Solution

The fourth proportional to 194,619.42, 268,344.66 and 137,268.18 is: 189,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,619.42 : 268,344.66 = 137,268.18 : x
  2. Step 2: Convert to fraction form
    194,619.42/268,344.66 = 137,268.18/x
  3. Step 3: Cross multiply
    194,619.42x = 268,344.66 × 137,268.18
  4. Step 4: Simplify right side
    194,619.42x = 36,835,183,090.92
  5. Step 5: Solve for x
    x = 36,835,183,090.92/194,619.42
  6. Step 6: Final answer
    x = 189,267.77

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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.