Home / 309,224.43-463,399.25-131,552.55

Finding the Fourth Proportional to 309,224.43, 463,399.25 and 131,552.55

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Solution

The fourth proportional to 309,224.43, 463,399.25 and 131,552.55 is: 197,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,224.43 : 463,399.25 = 131,552.55 : x
  2. Step 2: Convert to fraction form
    309,224.43/463,399.25 = 131,552.55/x
  3. Step 3: Cross multiply
    309,224.43x = 463,399.25 × 131,552.55
  4. Step 4: Simplify right side
    309,224.43x = 60,961,352,347.82
  5. Step 5: Solve for x
    x = 60,961,352,347.82/309,224.43
  6. Step 6: Final answer
    x = 197,142.74

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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.