Home / 313,819.06-470,464.02-136,192.26

Finding the Fourth Proportional to 313,819.06, 470,464.02 and 136,192.26

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Solution

The fourth proportional to 313,819.06, 470,464.02 and 136,192.26 is: 204,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,819.06 : 470,464.02 = 136,192.26 : x
  2. Step 2: Convert to fraction form
    313,819.06/470,464.02 = 136,192.26/x
  3. Step 3: Cross multiply
    313,819.06x = 470,464.02 × 136,192.26
  4. Step 4: Simplify right side
    313,819.06x = 64,073,558,132.49
  5. Step 5: Solve for x
    x = 64,073,558,132.49/313,819.06
  6. Step 6: Final answer
    x = 204,173.57

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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.