Home / 194,194.92-291,405.60-81,868.26

Finding the Fourth Proportional to 194,194.92, 291,405.60 and 81,868.26

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Solution

The fourth proportional to 194,194.92, 291,405.60 and 81,868.26 is: 122,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,194.92 : 291,405.60 = 81,868.26 : x
  2. Step 2: Convert to fraction form
    194,194.92/291,405.60 = 81,868.26/x
  3. Step 3: Cross multiply
    194,194.92x = 291,405.60 × 81,868.26
  4. Step 4: Simplify right side
    194,194.92x = 23,856,869,426.26
  5. Step 5: Solve for x
    x = 23,856,869,426.26/194,194.92
  6. Step 6: Final answer
    x = 122,850.12

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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.