Home / 132,544.54-198,270.06-85,086.64

Finding the Fourth Proportional to 132,544.54, 198,270.06 and 85,086.64

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Solution

The fourth proportional to 132,544.54, 198,270.06 and 85,086.64 is: 127,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.54 : 198,270.06 = 85,086.64 : x
  2. Step 2: Convert to fraction form
    132,544.54/198,270.06 = 85,086.64/x
  3. Step 3: Cross multiply
    132,544.54x = 198,270.06 × 85,086.64
  4. Step 4: Simplify right side
    132,544.54x = 16,870,133,218.00
  5. Step 5: Solve for x
    x = 16,870,133,218.00/132,544.54
  6. Step 6: Final answer
    x = 127,278.98

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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.