Home / 217,389.35-299,650.61-171,373.97

Finding the Fourth Proportional to 217,389.35, 299,650.61 and 171,373.97

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Solution

The fourth proportional to 217,389.35, 299,650.61 and 171,373.97 is: 236,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,389.35 : 299,650.61 = 171,373.97 : x
  2. Step 2: Convert to fraction form
    217,389.35/299,650.61 = 171,373.97/x
  3. Step 3: Cross multiply
    217,389.35x = 299,650.61 × 171,373.97
  4. Step 4: Simplify right side
    217,389.35x = 51,352,313,791.75
  5. Step 5: Solve for x
    x = 51,352,313,791.75/217,389.35
  6. Step 6: Final answer
    x = 236,222.77

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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.