Home / 376,317.23-519,121.62-231,155.73

Finding the Fourth Proportional to 376,317.23, 519,121.62 and 231,155.73

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Solution

The fourth proportional to 376,317.23, 519,121.62 and 231,155.73 is: 318,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,317.23 : 519,121.62 = 231,155.73 : x
  2. Step 2: Convert to fraction form
    376,317.23/519,121.62 = 231,155.73/x
  3. Step 3: Cross multiply
    376,317.23x = 519,121.62 × 231,155.73
  4. Step 4: Simplify right side
    376,317.23x = 119,997,937,839.79
  5. Step 5: Solve for x
    x = 119,997,937,839.79/376,317.23
  6. Step 6: Final answer
    x = 318,874.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.