Home / 217,388.10-299,648.88-171,372.72

Finding the Fourth Proportional to 217,388.10, 299,648.88 and 171,372.72

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Solution

The fourth proportional to 217,388.10, 299,648.88 and 171,372.72 is: 236,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,388.10 : 299,648.88 = 171,372.72 : x
  2. Step 2: Convert to fraction form
    217,388.10/299,648.88 = 171,372.72/x
  3. Step 3: Cross multiply
    217,388.10x = 299,648.88 × 171,372.72
  4. Step 4: Simplify right side
    217,388.10x = 51,351,643,610.55
  5. Step 5: Solve for x
    x = 51,351,643,610.55/217,388.10
  6. Step 6: Final answer
    x = 236,221.04

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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.