Home / 194,190.92-291,399.74-81,864.36

Finding the Fourth Proportional to 194,190.92, 291,399.74 and 81,864.36

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Solution

The fourth proportional to 194,190.92, 291,399.74 and 81,864.36 is: 122,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,190.92 : 291,399.74 = 81,864.36 : x
  2. Step 2: Convert to fraction form
    194,190.92/291,399.74 = 81,864.36/x
  3. Step 3: Cross multiply
    194,190.92x = 291,399.74 × 81,864.36
  4. Step 4: Simplify right side
    194,190.92x = 23,855,253,219.27
  5. Step 5: Solve for x
    x = 23,855,253,219.27/194,190.92
  6. Step 6: Final answer
    x = 122,844.33

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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.