Home / 194,231.78-291,417.63-67,890.61

Finding the Fourth Proportional to 194,231.78, 291,417.63 and 67,890.61

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Solution

The fourth proportional to 194,231.78, 291,417.63 and 67,890.61 is: 101,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,231.78 : 291,417.63 = 67,890.61 : x
  2. Step 2: Convert to fraction form
    194,231.78/291,417.63 = 67,890.61/x
  3. Step 3: Cross multiply
    194,231.78x = 291,417.63 × 67,890.61
  4. Step 4: Simplify right side
    194,231.78x = 19,784,520,665.45
  5. Step 5: Solve for x
    x = 19,784,520,665.45/194,231.78
  6. Step 6: Final answer
    x = 101,860.37

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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.