Home / 193,120.03-266,508.84-107,082.64

Finding the Fourth Proportional to 193,120.03, 266,508.84 and 107,082.64

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Solution

The fourth proportional to 193,120.03, 266,508.84 and 107,082.64 is: 147,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,120.03 : 266,508.84 = 107,082.64 : x
  2. Step 2: Convert to fraction form
    193,120.03/266,508.84 = 107,082.64/x
  3. Step 3: Cross multiply
    193,120.03x = 266,508.84 × 107,082.64
  4. Step 4: Simplify right side
    193,120.03x = 28,538,468,302.58
  5. Step 5: Solve for x
    x = 28,538,468,302.58/193,120.03
  6. Step 6: Final answer
    x = 147,775.81

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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.