Home / 199,512.20-298,884.36-124,661.72

Finding the Fourth Proportional to 199,512.20, 298,884.36 and 124,661.72

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Solution

The fourth proportional to 199,512.20, 298,884.36 and 124,661.72 is: 186,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,512.20 : 298,884.36 = 124,661.72 : x
  2. Step 2: Convert to fraction form
    199,512.20/298,884.36 = 124,661.72/x
  3. Step 3: Cross multiply
    199,512.20x = 298,884.36 × 124,661.72
  4. Step 4: Simplify right side
    199,512.20x = 37,259,438,398.70
  5. Step 5: Solve for x
    x = 37,259,438,398.70/199,512.20
  6. Step 6: Final answer
    x = 186,752.68

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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.