Home / 336,947.46-505,419.15-84,226.68

Finding the Fourth Proportional to 336,947.46, 505,419.15 and 84,226.68

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Solution

The fourth proportional to 336,947.46, 505,419.15 and 84,226.68 is: 126,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,947.46 : 505,419.15 = 84,226.68 : x
  2. Step 2: Convert to fraction form
    336,947.46/505,419.15 = 84,226.68/x
  3. Step 3: Cross multiply
    336,947.46x = 505,419.15 × 84,226.68
  4. Step 4: Simplify right side
    336,947.46x = 42,569,777,012.92
  5. Step 5: Solve for x
    x = 42,569,777,012.92/336,947.46
  6. Step 6: Final answer
    x = 126,339.51

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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.