Home / 198,028.08-272,816.78-162,008.19

Finding the Fourth Proportional to 198,028.08, 272,816.78 and 162,008.19

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Solution

The fourth proportional to 198,028.08, 272,816.78 and 162,008.19 is: 223,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,028.08 : 272,816.78 = 162,008.19 : x
  2. Step 2: Convert to fraction form
    198,028.08/272,816.78 = 162,008.19/x
  3. Step 3: Cross multiply
    198,028.08x = 272,816.78 × 162,008.19
  4. Step 4: Simplify right side
    198,028.08x = 44,198,551,919.39
  5. Step 5: Solve for x
    x = 44,198,551,919.39/198,028.08
  6. Step 6: Final answer
    x = 223,193.36

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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.