Home / 216,338.43-298,520.20-120,863.13

Finding the Fourth Proportional to 216,338.43, 298,520.20 and 120,863.13

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Solution

The fourth proportional to 216,338.43, 298,520.20 and 120,863.13 is: 166,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,338.43 : 298,520.20 = 120,863.13 : x
  2. Step 2: Convert to fraction form
    216,338.43/298,520.20 = 120,863.13/x
  3. Step 3: Cross multiply
    216,338.43x = 298,520.20 × 120,863.13
  4. Step 4: Simplify right side
    216,338.43x = 36,080,085,740.23
  5. Step 5: Solve for x
    x = 36,080,085,740.23/216,338.43
  6. Step 6: Final answer
    x = 166,776.13

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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.