Home / 309,174.42-463,936.98-131,662.92

Finding the Fourth Proportional to 309,174.42, 463,936.98 and 131,662.92

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Solution

The fourth proportional to 309,174.42, 463,936.98 and 131,662.92 is: 197,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,174.42 : 463,936.98 = 131,662.92 : x
  2. Step 2: Convert to fraction form
    309,174.42/463,936.98 = 131,662.92/x
  3. Step 3: Cross multiply
    309,174.42x = 463,936.98 × 131,662.92
  4. Step 4: Simplify right side
    309,174.42x = 61,083,297,482.78
  5. Step 5: Solve for x
    x = 61,083,297,482.78/309,174.42
  6. Step 6: Final answer
    x = 197,569.05

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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.