Home / 460,213.05-690,037.70-179,402.25

Finding the Fourth Proportional to 460,213.05, 690,037.70 and 179,402.25

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Solution

The fourth proportional to 460,213.05, 690,037.70 and 179,402.25 is: 268,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,213.05 : 690,037.70 = 179,402.25 : x
  2. Step 2: Convert to fraction form
    460,213.05/690,037.70 = 179,402.25/x
  3. Step 3: Cross multiply
    460,213.05x = 690,037.70 × 179,402.25
  4. Step 4: Simplify right side
    460,213.05x = 123,794,315,067.81
  5. Step 5: Solve for x
    x = 123,794,315,067.81/460,213.05
  6. Step 6: Final answer
    x = 268,993.49

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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.