Home / 187,723.44-281,593.80-69,372.72

Finding the Fourth Proportional to 187,723.44, 281,593.80 and 69,372.72

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Solution

The fourth proportional to 187,723.44, 281,593.80 and 69,372.72 is: 104,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,723.44 : 281,593.80 = 69,372.72 : x
  2. Step 2: Convert to fraction form
    187,723.44/281,593.80 = 69,372.72/x
  3. Step 3: Cross multiply
    187,723.44x = 281,593.80 × 69,372.72
  4. Step 4: Simplify right side
    187,723.44x = 19,534,927,841.14
  5. Step 5: Solve for x
    x = 19,534,927,841.14/187,723.44
  6. Step 6: Final answer
    x = 104,062.27

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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.