Home / 313,162.50-469,742.49-113,436.15

Finding the Fourth Proportional to 313,162.50, 469,742.49 and 113,436.15

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Solution

The fourth proportional to 313,162.50, 469,742.49 and 113,436.15 is: 170,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,162.50 : 469,742.49 = 113,436.15 : x
  2. Step 2: Convert to fraction form
    313,162.50/469,742.49 = 113,436.15/x
  3. Step 3: Cross multiply
    313,162.50x = 469,742.49 × 113,436.15
  4. Step 4: Simplify right side
    313,162.50x = 53,285,777,795.48
  5. Step 5: Solve for x
    x = 53,285,777,795.48/313,162.50
  6. Step 6: Final answer
    x = 170,153.76

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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.