Home / 194,022.72-291,033.90-53,781.12

Finding the Fourth Proportional to 194,022.72, 291,033.90 and 53,781.12

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Solution

The fourth proportional to 194,022.72, 291,033.90 and 53,781.12 is: 80,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,022.72 : 291,033.90 = 53,781.12 : x
  2. Step 2: Convert to fraction form
    194,022.72/291,033.90 = 53,781.12/x
  3. Step 3: Cross multiply
    194,022.72x = 291,033.90 × 53,781.12
  4. Step 4: Simplify right side
    194,022.72x = 15,652,129,099.97
  5. Step 5: Solve for x
    x = 15,652,129,099.97/194,022.72
  6. Step 6: Final answer
    x = 80,671.63

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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.