Home / 313,933.24-470,889.28-136,440.27

Finding the Fourth Proportional to 313,933.24, 470,889.28 and 136,440.27

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Solution

The fourth proportional to 313,933.24, 470,889.28 and 136,440.27 is: 204,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,933.24 : 470,889.28 = 136,440.27 : x
  2. Step 2: Convert to fraction form
    313,933.24/470,889.28 = 136,440.27/x
  3. Step 3: Cross multiply
    313,933.24x = 470,889.28 × 136,440.27
  4. Step 4: Simplify right side
    313,933.24x = 64,248,260,503.31
  5. Step 5: Solve for x
    x = 64,248,260,503.31/313,933.24
  6. Step 6: Final answer
    x = 204,655.81

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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.