Home / 194,121.92-291,231.23-154,291.20

Finding the Fourth Proportional to 194,121.92, 291,231.23 and 154,291.20

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Solution

The fourth proportional to 194,121.92, 291,231.23 and 154,291.20 is: 231,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,121.92 : 291,231.23 = 154,291.20 : x
  2. Step 2: Convert to fraction form
    194,121.92/291,231.23 = 154,291.20/x
  3. Step 3: Cross multiply
    194,121.92x = 291,231.23 × 154,291.20
  4. Step 4: Simplify right side
    194,121.92x = 44,934,415,182.72
  5. Step 5: Solve for x
    x = 44,934,415,182.72/194,121.92
  6. Step 6: Final answer
    x = 231,475.23

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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.