Home / 194,418.60-291,618.15-76,111.62

Finding the Fourth Proportional to 194,418.60, 291,618.15 and 76,111.62

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Solution

The fourth proportional to 194,418.60, 291,618.15 and 76,111.62 is: 114,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,418.60 : 291,618.15 = 76,111.62 : x
  2. Step 2: Convert to fraction form
    194,418.60/291,618.15 = 76,111.62/x
  3. Step 3: Cross multiply
    194,418.60x = 291,618.15 × 76,111.62
  4. Step 4: Simplify right side
    194,418.60x = 22,195,529,817.90
  5. Step 5: Solve for x
    x = 22,195,529,817.90/194,418.60
  6. Step 6: Final answer
    x = 114,163.61

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1.5x scale

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.