Home / 326,147.73-450,133.07-198,897.14

Finding the Fourth Proportional to 326,147.73, 450,133.07 and 198,897.14

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Solution

The fourth proportional to 326,147.73, 450,133.07 and 198,897.14 is: 274,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,147.73 : 450,133.07 = 198,897.14 : x
  2. Step 2: Convert to fraction form
    326,147.73/450,133.07 = 198,897.14/x
  3. Step 3: Cross multiply
    326,147.73x = 450,133.07 × 198,897.14
  4. Step 4: Simplify right side
    326,147.73x = 89,530,176,997.27
  5. Step 5: Solve for x
    x = 89,530,176,997.27/326,147.73
  6. Step 6: Final answer
    x = 274,508.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.