Home / 194,286.29-291,468.72-81,966.74

Finding the Fourth Proportional to 194,286.29, 291,468.72 and 81,966.74

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Solution

The fourth proportional to 194,286.29, 291,468.72 and 81,966.74 is: 122,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,286.29 : 291,468.72 = 81,966.74 : x
  2. Step 2: Convert to fraction form
    194,286.29/291,468.72 = 81,966.74/x
  3. Step 3: Cross multiply
    194,286.29x = 291,468.72 × 81,966.74
  4. Step 4: Simplify right side
    194,286.29x = 23,890,739,333.03
  5. Step 5: Solve for x
    x = 23,890,739,333.03/194,286.29
  6. Step 6: Final answer
    x = 122,966.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.