Home / 230,579.97-345,921.13-70,678.07

Finding the Fourth Proportional to 230,579.97, 345,921.13 and 70,678.07

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Solution

The fourth proportional to 230,579.97, 345,921.13 and 70,678.07 is: 106,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,579.97 : 345,921.13 = 70,678.07 : x
  2. Step 2: Convert to fraction form
    230,579.97/345,921.13 = 70,678.07/x
  3. Step 3: Cross multiply
    230,579.97x = 345,921.13 × 70,678.07
  4. Step 4: Simplify right side
    230,579.97x = 24,449,037,496.57
  5. Step 5: Solve for x
    x = 24,449,037,496.57/230,579.97
  6. Step 6: Final answer
    x = 106,032.79

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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.