Home / 121,202.56-181,805.70-38,096.56

Finding the Fourth Proportional to 121,202.56, 181,805.70 and 38,096.56

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Solution

The fourth proportional to 121,202.56, 181,805.70 and 38,096.56 is: 57,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,202.56 : 181,805.70 = 38,096.56 : x
  2. Step 2: Convert to fraction form
    121,202.56/181,805.70 = 38,096.56/x
  3. Step 3: Cross multiply
    121,202.56x = 181,805.70 × 38,096.56
  4. Step 4: Simplify right side
    121,202.56x = 6,926,171,758.39
  5. Step 5: Solve for x
    x = 6,926,171,758.39/121,202.56
  6. Step 6: Final answer
    x = 57,145.42

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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.