Home / 217,588.92-326,398.68-91,101.52

Finding the Fourth Proportional to 217,588.92, 326,398.68 and 91,101.52

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Solution

The fourth proportional to 217,588.92, 326,398.68 and 91,101.52 is: 136,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,588.92 : 326,398.68 = 91,101.52 : x
  2. Step 2: Convert to fraction form
    217,588.92/326,398.68 = 91,101.52/x
  3. Step 3: Cross multiply
    217,588.92x = 326,398.68 × 91,101.52
  4. Step 4: Simplify right side
    217,588.92x = 29,735,415,873.99
  5. Step 5: Solve for x
    x = 29,735,415,873.99/217,588.92
  6. Step 6: Final answer
    x = 136,658.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.