Home / 328,823.87-493,250.16-104,200.86

Finding the Fourth Proportional to 328,823.87, 493,250.16 and 104,200.86

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Solution

The fourth proportional to 328,823.87, 493,250.16 and 104,200.86 is: 156,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,823.87 : 493,250.16 = 104,200.86 : x
  2. Step 2: Convert to fraction form
    328,823.87/493,250.16 = 104,200.86/x
  3. Step 3: Cross multiply
    328,823.87x = 493,250.16 × 104,200.86
  4. Step 4: Simplify right side
    328,823.87x = 51,397,090,867.14
  5. Step 5: Solve for x
    x = 51,397,090,867.14/328,823.87
  6. Step 6: Final answer
    x = 156,305.84

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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.