Home / 217,370.22-326,149.17-117,600.69

Finding the Fourth Proportional to 217,370.22, 326,149.17 and 117,600.69

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Solution

The fourth proportional to 217,370.22, 326,149.17 and 117,600.69 is: 176,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,370.22 : 326,149.17 = 117,600.69 : x
  2. Step 2: Convert to fraction form
    217,370.22/326,149.17 = 117,600.69/x
  3. Step 3: Cross multiply
    217,370.22x = 326,149.17 × 117,600.69
  4. Step 4: Simplify right side
    217,370.22x = 38,355,367,434.93
  5. Step 5: Solve for x
    x = 38,355,367,434.93/217,370.22
  6. Step 6: Final answer
    x = 176,451.80

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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.