Home / 194,491.61-268,419.89-112,837.85

Finding the Fourth Proportional to 194,491.61, 268,419.89 and 112,837.85

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Solution

The fourth proportional to 194,491.61, 268,419.89 and 112,837.85 is: 155,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,491.61 : 268,419.89 = 112,837.85 : x
  2. Step 2: Convert to fraction form
    194,491.61/268,419.89 = 112,837.85/x
  3. Step 3: Cross multiply
    194,491.61x = 268,419.89 × 112,837.85
  4. Step 4: Simplify right side
    194,491.61x = 30,287,922,720.65
  5. Step 5: Solve for x
    x = 30,287,922,720.65/194,491.61
  6. Step 6: Final answer
    x = 155,728.69

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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.