Home / 198,061.50-273,325.32-113,178.36

Finding the Fourth Proportional to 198,061.50, 273,325.32 and 113,178.36

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Solution

The fourth proportional to 198,061.50, 273,325.32 and 113,178.36 is: 156,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,061.50 : 273,325.32 = 113,178.36 : x
  2. Step 2: Convert to fraction form
    198,061.50/273,325.32 = 113,178.36/x
  3. Step 3: Cross multiply
    198,061.50x = 273,325.32 × 113,178.36
  4. Step 4: Simplify right side
    198,061.50x = 30,934,511,464.08
  5. Step 5: Solve for x
    x = 30,934,511,464.08/198,061.50
  6. Step 6: Final answer
    x = 156,186.39

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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.