Home / 328,845.57-493,079.96-101,081.88

Finding the Fourth Proportional to 328,845.57, 493,079.96 and 101,081.88

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Solution

The fourth proportional to 328,845.57, 493,079.96 and 101,081.88 is: 151,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,845.57 : 493,079.96 = 101,081.88 : x
  2. Step 2: Convert to fraction form
    328,845.57/493,079.96 = 101,081.88/x
  3. Step 3: Cross multiply
    328,845.57x = 493,079.96 × 101,081.88
  4. Step 4: Simplify right side
    328,845.57x = 49,841,448,841.72
  5. Step 5: Solve for x
    x = 49,841,448,841.72/328,845.57
  6. Step 6: Final answer
    x = 151,564.91

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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.