Home / 101,176.62-151,781.40-38,001.66

Finding the Fourth Proportional to 101,176.62, 151,781.40 and 38,001.66

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Solution

The fourth proportional to 101,176.62, 151,781.40 and 38,001.66 is: 57,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,176.62 : 151,781.40 = 38,001.66 : x
  2. Step 2: Convert to fraction form
    101,176.62/151,781.40 = 38,001.66/x
  3. Step 3: Cross multiply
    101,176.62x = 151,781.40 × 38,001.66
  4. Step 4: Simplify right side
    101,176.62x = 5,767,945,157.12
  5. Step 5: Solve for x
    x = 5,767,945,157.12/101,176.62
  6. Step 6: Final answer
    x = 57,008.68

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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.