Home / 299,834.01-449,875.68-131,267.55

Finding the Fourth Proportional to 299,834.01, 449,875.68 and 131,267.55

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Solution

The fourth proportional to 299,834.01, 449,875.68 and 131,267.55 is: 196,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,834.01 : 449,875.68 = 131,267.55 : x
  2. Step 2: Convert to fraction form
    299,834.01/449,875.68 = 131,267.55/x
  3. Step 3: Cross multiply
    299,834.01x = 449,875.68 × 131,267.55
  4. Step 4: Simplify right side
    299,834.01x = 59,054,078,318.18
  5. Step 5: Solve for x
    x = 59,054,078,318.18/299,834.01
  6. Step 6: Final answer
    x = 196,955.90

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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.