Home / 216,691.20-298,183.68-191,600.64

Finding the Fourth Proportional to 216,691.20, 298,183.68 and 191,600.64

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Solution

The fourth proportional to 216,691.20, 298,183.68 and 191,600.64 is: 263,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,691.20 : 298,183.68 = 191,600.64 : x
  2. Step 2: Convert to fraction form
    216,691.20/298,183.68 = 191,600.64/x
  3. Step 3: Cross multiply
    216,691.20x = 298,183.68 × 191,600.64
  4. Step 4: Simplify right side
    216,691.20x = 57,132,183,925.56
  5. Step 5: Solve for x
    x = 57,132,183,925.56/216,691.20
  6. Step 6: Final answer
    x = 263,657.15

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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.