Home / 234,300.55-351,378.06-84,521.35

Finding the Fourth Proportional to 234,300.55, 351,378.06 and 84,521.35

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Solution

The fourth proportional to 234,300.55, 351,378.06 and 84,521.35 is: 126,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,300.55 : 351,378.06 = 84,521.35 : x
  2. Step 2: Convert to fraction form
    234,300.55/351,378.06 = 84,521.35/x
  3. Step 3: Cross multiply
    234,300.55x = 351,378.06 × 84,521.35
  4. Step 4: Simplify right side
    234,300.55x = 29,698,947,991.58
  5. Step 5: Solve for x
    x = 29,698,947,991.58/234,300.55
  6. Step 6: Final answer
    x = 126,755.78

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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.