Home / 191,135.57-263,773.85-105,101.10

Finding the Fourth Proportional to 191,135.57, 263,773.85 and 105,101.10

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Solution

The fourth proportional to 191,135.57, 263,773.85 and 105,101.10 is: 145,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,135.57 : 263,773.85 = 105,101.10 : x
  2. Step 2: Convert to fraction form
    191,135.57/263,773.85 = 105,101.10/x
  3. Step 3: Cross multiply
    191,135.57x = 263,773.85 × 105,101.10
  4. Step 4: Simplify right side
    191,135.57x = 27,722,921,260.73
  5. Step 5: Solve for x
    x = 27,722,921,260.73/191,135.57
  6. Step 6: Final answer
    x = 145,043.24

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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.