Home / 198,115.69-273,393.44-110,900.76

Finding the Fourth Proportional to 198,115.69, 273,393.44 and 110,900.76

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Solution

The fourth proportional to 198,115.69, 273,393.44 and 110,900.76 is: 153,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,115.69 : 273,393.44 = 110,900.76 : x
  2. Step 2: Convert to fraction form
    198,115.69/273,393.44 = 110,900.76/x
  3. Step 3: Cross multiply
    198,115.69x = 273,393.44 × 110,900.76
  4. Step 4: Simplify right side
    198,115.69x = 30,319,540,275.01
  5. Step 5: Solve for x
    x = 30,319,540,275.01/198,115.69
  6. Step 6: Final answer
    x = 153,039.57

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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.