Home / 313,819.47-470,463.93-136,192.95

Finding the Fourth Proportional to 313,819.47, 470,463.93 and 136,192.95

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Solution

The fourth proportional to 313,819.47, 470,463.93 and 136,192.95 is: 204,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,819.47 : 470,463.93 = 136,192.95 : x
  2. Step 2: Convert to fraction form
    313,819.47/470,463.93 = 136,192.95/x
  3. Step 3: Cross multiply
    313,819.47x = 470,463.93 × 136,192.95
  4. Step 4: Simplify right side
    313,819.47x = 64,073,870,495.29
  5. Step 5: Solve for x
    x = 64,073,870,495.29/313,819.47
  6. Step 6: Final answer
    x = 204,174.30

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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.