Home / 187,486.23-281,251.19-65,869.39

Finding the Fourth Proportional to 187,486.23, 281,251.19 and 65,869.39

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Solution

The fourth proportional to 187,486.23, 281,251.19 and 65,869.39 is: 98,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,486.23 : 281,251.19 = 65,869.39 : x
  2. Step 2: Convert to fraction form
    187,486.23/281,251.19 = 65,869.39/x
  3. Step 3: Cross multiply
    187,486.23x = 281,251.19 × 65,869.39
  4. Step 4: Simplify right side
    187,486.23x = 18,525,844,322.07
  5. Step 5: Solve for x
    x = 18,525,844,322.07/187,486.23
  6. Step 6: Final answer
    x = 98,811.76

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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.