Home / 199,323.20-298,965.36-81,001.60

Finding the Fourth Proportional to 199,323.20, 298,965.36 and 81,001.60

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Solution

The fourth proportional to 199,323.20, 298,965.36 and 81,001.60 is: 121,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323.20 : 298,965.36 = 81,001.60 : x
  2. Step 2: Convert to fraction form
    199,323.20/298,965.36 = 81,001.60/x
  3. Step 3: Cross multiply
    199,323.20x = 298,965.36 × 81,001.60
  4. Step 4: Simplify right side
    199,323.20x = 24,216,672,504.58
  5. Step 5: Solve for x
    x = 24,216,672,504.58/199,323.20
  6. Step 6: Final answer
    x = 121,494.50

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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.