Home / 185,443.27-278,279.11-73,104.37

Finding the Fourth Proportional to 185,443.27, 278,279.11 and 73,104.37

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Solution

The fourth proportional to 185,443.27, 278,279.11 and 73,104.37 is: 109,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,443.27 : 278,279.11 = 73,104.37 : x
  2. Step 2: Convert to fraction form
    185,443.27/278,279.11 = 73,104.37/x
  3. Step 3: Cross multiply
    185,443.27x = 278,279.11 × 73,104.37
  4. Step 4: Simplify right side
    185,443.27x = 20,343,418,416.39
  5. Step 5: Solve for x
    x = 20,343,418,416.39/185,443.27
  6. Step 6: Final answer
    x = 109,701.57

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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.