Home / 185,572.10-278,431.05-73,233.20

Finding the Fourth Proportional to 185,572.10, 278,431.05 and 73,233.20

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Solution

The fourth proportional to 185,572.10, 278,431.05 and 73,233.20 is: 109,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,572.10 : 278,431.05 = 73,233.20 : x
  2. Step 2: Convert to fraction form
    185,572.10/278,431.05 = 73,233.20/x
  3. Step 3: Cross multiply
    185,572.10x = 278,431.05 × 73,233.20
  4. Step 4: Simplify right side
    185,572.10x = 20,390,396,770.86
  5. Step 5: Solve for x
    x = 20,390,396,770.86/185,572.10
  6. Step 6: Final answer
    x = 109,878.57

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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.