Home / 217,081.44-299,578.23-121,586.04

Finding the Fourth Proportional to 217,081.44, 299,578.23 and 121,586.04

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Solution

The fourth proportional to 217,081.44, 299,578.23 and 121,586.04 is: 167,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,081.44 : 299,578.23 = 121,586.04 : x
  2. Step 2: Convert to fraction form
    217,081.44/299,578.23 = 121,586.04/x
  3. Step 3: Cross multiply
    217,081.44x = 299,578.23 × 121,586.04
  4. Step 4: Simplify right side
    217,081.44x = 36,424,530,655.91
  5. Step 5: Solve for x
    x = 36,424,530,655.91/217,081.44
  6. Step 6: Final answer
    x = 167,792.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.