Home / 194,153.32-291,149.22-67,766.56

Finding the Fourth Proportional to 194,153.32, 291,149.22 and 67,766.56

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Solution

The fourth proportional to 194,153.32, 291,149.22 and 67,766.56 is: 101,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,153.32 : 291,149.22 = 67,766.56 : x
  2. Step 2: Convert to fraction form
    194,153.32/291,149.22 = 67,766.56/x
  3. Step 3: Cross multiply
    194,153.32x = 291,149.22 × 67,766.56
  4. Step 4: Simplify right side
    194,153.32x = 19,730,181,086.08
  5. Step 5: Solve for x
    x = 19,730,181,086.08/194,153.32
  6. Step 6: Final answer
    x = 101,621.65

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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.