Home / 191,132.56-263,739.96-105,077.38

Finding the Fourth Proportional to 191,132.56, 263,739.96 and 105,077.38

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Solution

The fourth proportional to 191,132.56, 263,739.96 and 105,077.38 is: 144,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,132.56 : 263,739.96 = 105,077.38 : x
  2. Step 2: Convert to fraction form
    191,132.56/263,739.96 = 105,077.38/x
  3. Step 3: Cross multiply
    191,132.56x = 263,739.96 × 105,077.38
  4. Step 4: Simplify right side
    191,132.56x = 27,713,103,998.10
  5. Step 5: Solve for x
    x = 27,713,103,998.10/191,132.56
  6. Step 6: Final answer
    x = 144,994.15

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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.