Home / 191,135.24-263,773.40-105,100.77

Finding the Fourth Proportional to 191,135.24, 263,773.40 and 105,100.77

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Solution

The fourth proportional to 191,135.24, 263,773.40 and 105,100.77 is: 145,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,135.24 : 263,773.40 = 105,100.77 : x
  2. Step 2: Convert to fraction form
    191,135.24/263,773.40 = 105,100.77/x
  3. Step 3: Cross multiply
    191,135.24x = 263,773.40 × 105,100.77
  4. Step 4: Simplify right side
    191,135.24x = 27,722,787,445.52
  5. Step 5: Solve for x
    x = 27,722,787,445.52/191,135.24
  6. Step 6: Final answer
    x = 145,042.78

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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.