Home / 217,082.44-299,579.61-121,587.04

Finding the Fourth Proportional to 217,082.44, 299,579.61 and 121,587.04

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Solution

The fourth proportional to 217,082.44, 299,579.61 and 121,587.04 is: 167,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,082.44 : 299,579.61 = 121,587.04 : x
  2. Step 2: Convert to fraction form
    217,082.44/299,579.61 = 121,587.04/x
  3. Step 3: Cross multiply
    217,082.44x = 299,579.61 × 121,587.04
  4. Step 4: Simplify right side
    217,082.44x = 36,424,998,024.25
  5. Step 5: Solve for x
    x = 36,424,998,024.25/217,082.44
  6. Step 6: Final answer
    x = 167,793.39

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1.5x scale

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.