Home / 313,433.05-470,225.18-103,059.85

Finding the Fourth Proportional to 313,433.05, 470,225.18 and 103,059.85

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Solution

The fourth proportional to 313,433.05, 470,225.18 and 103,059.85 is: 154,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,433.05 : 470,225.18 = 103,059.85 : x
  2. Step 2: Convert to fraction form
    313,433.05/470,225.18 = 103,059.85/x
  3. Step 3: Cross multiply
    313,433.05x = 470,225.18 × 103,059.85
  4. Step 4: Simplify right side
    313,433.05x = 48,461,336,517.02
  5. Step 5: Solve for x
    x = 48,461,336,517.02/313,433.05
  6. Step 6: Final answer
    x = 154,614.63

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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.