Home / 493,282.35-739,944.10-156,315.54

Finding the Fourth Proportional to 493,282.35, 739,944.10 and 156,315.54

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Solution

The fourth proportional to 493,282.35, 739,944.10 and 156,315.54 is: 234,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,282.35 : 739,944.10 = 156,315.54 : x
  2. Step 2: Convert to fraction form
    493,282.35/739,944.10 = 156,315.54/x
  3. Step 3: Cross multiply
    493,282.35x = 739,944.10 × 156,315.54
  4. Step 4: Simplify right side
    493,282.35x = 115,664,761,561.31
  5. Step 5: Solve for x
    x = 115,664,761,561.31/493,282.35
  6. Step 6: Final answer
    x = 234,479.83

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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.