Home / 308,927.10-463,433.85-131,432.70

Finding the Fourth Proportional to 308,927.10, 463,433.85 and 131,432.70

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Solution

The fourth proportional to 308,927.10, 463,433.85 and 131,432.70 is: 197,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,927.10 : 463,433.85 = 131,432.70 : x
  2. Step 2: Convert to fraction form
    308,927.10/463,433.85 = 131,432.70/x
  3. Step 3: Cross multiply
    308,927.10x = 463,433.85 × 131,432.70
  4. Step 4: Simplify right side
    308,927.10x = 60,910,362,176.90
  5. Step 5: Solve for x
    x = 60,910,362,176.90/308,927.10
  6. Step 6: Final answer
    x = 197,167.43

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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.