Home / 234,315.24-351,400.10-84,536

Finding the Fourth Proportional to 234,315.24, 351,400.10 and 84,536

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Solution

The fourth proportional to 234,315.24, 351,400.10 and 84,536 is: 126,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,315.24 : 351,400.10 = 84,536 : x
  2. Step 2: Convert to fraction form
    234,315.24/351,400.10 = 84,536/x
  3. Step 3: Cross multiply
    234,315.24x = 351,400.10 × 84,536
  4. Step 4: Simplify right side
    234,315.24x = 29,705,958,853.60
  5. Step 5: Solve for x
    x = 29,705,958,853.60/234,315.24
  6. Step 6: Final answer
    x = 126,777.75

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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.