Home / 199,317.40-298,976.10-136,331.80

Finding the Fourth Proportional to 199,317.40, 298,976.10 and 136,331.80

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Solution

The fourth proportional to 199,317.40, 298,976.10 and 136,331.80 is: 204,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,317.40 : 298,976.10 = 136,331.80 : x
  2. Step 2: Convert to fraction form
    199,317.40/298,976.10 = 136,331.80/x
  3. Step 3: Cross multiply
    199,317.40x = 298,976.10 × 136,331.80
  4. Step 4: Simplify right side
    199,317.40x = 40,759,949,869.98
  5. Step 5: Solve for x
    x = 40,759,949,869.98/199,317.40
  6. Step 6: Final answer
    x = 204,497.70

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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.