Home / 313,961.24-470,958.18-103,615.58

Finding the Fourth Proportional to 313,961.24, 470,958.18 and 103,615.58

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Solution

The fourth proportional to 313,961.24, 470,958.18 and 103,615.58 is: 155,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,961.24 : 470,958.18 = 103,615.58 : x
  2. Step 2: Convert to fraction form
    313,961.24/470,958.18 = 103,615.58/x
  3. Step 3: Cross multiply
    313,961.24x = 470,958.18 × 103,615.58
  4. Step 4: Simplify right side
    313,961.24x = 48,798,604,976.44
  5. Step 5: Solve for x
    x = 48,798,604,976.44/313,961.24
  6. Step 6: Final answer
    x = 155,428.76

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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.