Home / 212,769.24-291,492.66-204,792.36

Finding the Fourth Proportional to 212,769.24, 291,492.66 and 204,792.36

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Solution

The fourth proportional to 212,769.24, 291,492.66 and 204,792.36 is: 280,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,769.24 : 291,492.66 = 204,792.36 : x
  2. Step 2: Convert to fraction form
    212,769.24/291,492.66 = 204,792.36/x
  3. Step 3: Cross multiply
    212,769.24x = 291,492.66 × 204,792.36
  4. Step 4: Simplify right side
    212,769.24x = 59,695,469,764.08
  5. Step 5: Solve for x
    x = 59,695,469,764.08/212,769.24
  6. Step 6: Final answer
    x = 280,564.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.