Home / 313,924.48-470,255.46-145,207.96

Finding the Fourth Proportional to 313,924.48, 470,255.46 and 145,207.96

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Solution

The fourth proportional to 313,924.48, 470,255.46 and 145,207.96 is: 217,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,924.48 : 470,255.46 = 145,207.96 : x
  2. Step 2: Convert to fraction form
    313,924.48/470,255.46 = 145,207.96/x
  3. Step 3: Cross multiply
    313,924.48x = 470,255.46 × 145,207.96
  4. Step 4: Simplify right side
    313,924.48x = 68,284,836,025.46
  5. Step 5: Solve for x
    x = 68,284,836,025.46/313,924.48
  6. Step 6: Final answer
    x = 217,519.95

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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.