Home / 193,086.56-266,475.20-107,072.51

Finding the Fourth Proportional to 193,086.56, 266,475.20 and 107,072.51

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Solution

The fourth proportional to 193,086.56, 266,475.20 and 107,072.51 is: 147,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,086.56 : 266,475.20 = 107,072.51 : x
  2. Step 2: Convert to fraction form
    193,086.56/266,475.20 = 107,072.51/x
  3. Step 3: Cross multiply
    193,086.56x = 266,475.20 × 107,072.51
  4. Step 4: Simplify right side
    193,086.56x = 28,532,168,516.75
  5. Step 5: Solve for x
    x = 28,532,168,516.75/193,086.56
  6. Step 6: Final answer
    x = 147,768.80

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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.