Home / 313,960.20-470,929.80-136,467.24

Finding the Fourth Proportional to 313,960.20, 470,929.80 and 136,467.24

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Solution

The fourth proportional to 313,960.20, 470,929.80 and 136,467.24 is: 204,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,960.20 : 470,929.80 = 136,467.24 : x
  2. Step 2: Convert to fraction form
    313,960.20/470,929.80 = 136,467.24/x
  3. Step 3: Cross multiply
    313,960.20x = 470,929.80 × 136,467.24
  4. Step 4: Simplify right side
    313,960.20x = 64,266,490,039.75
  5. Step 5: Solve for x
    x = 64,266,490,039.75/313,960.20
  6. Step 6: Final answer
    x = 204,696.30

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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.