Home / 191,259.66-263,933.03-105,218.22

Finding the Fourth Proportional to 191,259.66, 263,933.03 and 105,218.22

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Solution

The fourth proportional to 191,259.66, 263,933.03 and 105,218.22 is: 145,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,259.66 : 263,933.03 = 105,218.22 : x
  2. Step 2: Convert to fraction form
    191,259.66/263,933.03 = 105,218.22/x
  3. Step 3: Cross multiply
    191,259.66x = 263,933.03 × 105,218.22
  4. Step 4: Simplify right side
    191,259.66x = 27,770,563,089.72
  5. Step 5: Solve for x
    x = 27,770,563,089.72/191,259.66
  6. Step 6: Final answer
    x = 145,198.22

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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.