Home / 191,185.28-263,855.84-109,520.04

Finding the Fourth Proportional to 191,185.28, 263,855.84 and 109,520.04

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Solution

The fourth proportional to 191,185.28, 263,855.84 and 109,520.04 is: 151,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,185.28 : 263,855.84 = 109,520.04 : x
  2. Step 2: Convert to fraction form
    191,185.28/263,855.84 = 109,520.04/x
  3. Step 3: Cross multiply
    191,185.28x = 263,855.84 × 109,520.04
  4. Step 4: Simplify right side
    191,185.28x = 28,897,502,151.03
  5. Step 5: Solve for x
    x = 28,897,502,151.03/191,185.28
  6. Step 6: Final answer
    x = 151,149.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.