Home / 199,139.20-298,708.80-177,366.40

Finding the Fourth Proportional to 199,139.20, 298,708.80 and 177,366.40

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Solution

The fourth proportional to 199,139.20, 298,708.80 and 177,366.40 is: 266,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,139.20 : 298,708.80 = 177,366.40 : x
  2. Step 2: Convert to fraction form
    199,139.20/298,708.80 = 177,366.40/x
  3. Step 3: Cross multiply
    199,139.20x = 298,708.80 × 177,366.40
  4. Step 4: Simplify right side
    199,139.20x = 52,980,904,504.32
  5. Step 5: Solve for x
    x = 52,980,904,504.32/199,139.20
  6. Step 6: Final answer
    x = 266,049.60

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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.