Home / 194,186.92-291,393.60-81,860.26

Finding the Fourth Proportional to 194,186.92, 291,393.60 and 81,860.26

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Solution

The fourth proportional to 194,186.92, 291,393.60 and 81,860.26 is: 122,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,186.92 : 291,393.60 = 81,860.26 : x
  2. Step 2: Convert to fraction form
    194,186.92/291,393.60 = 81,860.26/x
  3. Step 3: Cross multiply
    194,186.92x = 291,393.60 × 81,860.26
  4. Step 4: Simplify right side
    194,186.92x = 23,853,555,858.34
  5. Step 5: Solve for x
    x = 23,853,555,858.34/194,186.92
  6. Step 6: Final answer
    x = 122,838.12

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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.