Home / 199,330.25-298,995.39-81,010.83

Finding the Fourth Proportional to 199,330.25, 298,995.39 and 81,010.83

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Solution

The fourth proportional to 199,330.25, 298,995.39 and 81,010.83 is: 121,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330.25 : 298,995.39 = 81,010.83 : x
  2. Step 2: Convert to fraction form
    199,330.25/298,995.39 = 81,010.83/x
  3. Step 3: Cross multiply
    199,330.25x = 298,995.39 × 81,010.83
  4. Step 4: Simplify right side
    199,330.25x = 24,221,864,710.07
  5. Step 5: Solve for x
    x = 24,221,864,710.07/199,330.25
  6. Step 6: Final answer
    x = 121,516.25

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Similar ratio
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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.