Home / 194,604.12-291,900.78-54,358.92

Finding the Fourth Proportional to 194,604.12, 291,900.78 and 54,358.92

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Solution

The fourth proportional to 194,604.12, 291,900.78 and 54,358.92 is: 81,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,604.12 : 291,900.78 = 54,358.92 : x
  2. Step 2: Convert to fraction form
    194,604.12/291,900.78 = 54,358.92/x
  3. Step 3: Cross multiply
    194,604.12x = 291,900.78 × 54,358.92
  4. Step 4: Simplify right side
    194,604.12x = 15,867,411,147.96
  5. Step 5: Solve for x
    x = 15,867,411,147.96/194,604.12
  6. Step 6: Final answer
    x = 81,536.87

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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.