Home / 191,134.44-263,742.48-105,079.20

Finding the Fourth Proportional to 191,134.44, 263,742.48 and 105,079.20

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Solution

The fourth proportional to 191,134.44, 263,742.48 and 105,079.20 is: 144,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,134.44 : 263,742.48 = 105,079.20 : x
  2. Step 2: Convert to fraction form
    191,134.44/263,742.48 = 105,079.20/x
  3. Step 3: Cross multiply
    191,134.44x = 263,742.48 × 105,079.20
  4. Step 4: Simplify right side
    191,134.44x = 27,713,848,804.42
  5. Step 5: Solve for x
    x = 27,713,848,804.42/191,134.44
  6. Step 6: Final answer
    x = 144,996.63

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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.