Home / 198,130.54-273,420.14-113,249.42

Finding the Fourth Proportional to 198,130.54, 273,420.14 and 113,249.42

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Solution

The fourth proportional to 198,130.54, 273,420.14 and 113,249.42 is: 156,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,130.54 : 273,420.14 = 113,249.42 : x
  2. Step 2: Convert to fraction form
    198,130.54/273,420.14 = 113,249.42/x
  3. Step 3: Cross multiply
    198,130.54x = 273,420.14 × 113,249.42
  4. Step 4: Simplify right side
    198,130.54x = 30,964,672,271.32
  5. Step 5: Solve for x
    x = 30,964,672,271.32/198,130.54
  6. Step 6: Final answer
    x = 156,284.20

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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.