Home / 354,183.34-531,432.05-185,663.44

Finding the Fourth Proportional to 354,183.34, 531,432.05 and 185,663.44

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Solution

The fourth proportional to 354,183.34, 531,432.05 and 185,663.44 is: 278,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,183.34 : 531,432.05 = 185,663.44 : x
  2. Step 2: Convert to fraction form
    354,183.34/531,432.05 = 185,663.44/x
  3. Step 3: Cross multiply
    354,183.34x = 531,432.05 × 185,663.44
  4. Step 4: Simplify right side
    354,183.34x = 98,667,501,600.93
  5. Step 5: Solve for x
    x = 98,667,501,600.93/354,183.34
  6. Step 6: Final answer
    x = 278,577.48

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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.