Home / 194,568.62-268,463.66-118,127.90

Finding the Fourth Proportional to 194,568.62, 268,463.66 and 118,127.90

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Solution

The fourth proportional to 194,568.62, 268,463.66 and 118,127.90 is: 162,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,568.62 : 268,463.66 = 118,127.90 : x
  2. Step 2: Convert to fraction form
    194,568.62/268,463.66 = 118,127.90/x
  3. Step 3: Cross multiply
    194,568.62x = 268,463.66 × 118,127.90
  4. Step 4: Simplify right side
    194,568.62x = 31,713,048,382.11
  5. Step 5: Solve for x
    x = 31,713,048,382.11/194,568.62
  6. Step 6: Final answer
    x = 162,991.59

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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.