Home / 191,144.44-263,756.28-105,089.20

Finding the Fourth Proportional to 191,144.44, 263,756.28 and 105,089.20

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Solution

The fourth proportional to 191,144.44, 263,756.28 and 105,089.20 is: 145,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,144.44 : 263,756.28 = 105,089.20 : x
  2. Step 2: Convert to fraction form
    191,144.44/263,756.28 = 105,089.20/x
  3. Step 3: Cross multiply
    191,144.44x = 263,756.28 × 105,089.20
  4. Step 4: Simplify right side
    191,144.44x = 27,717,936,460.18
  5. Step 5: Solve for x
    x = 27,717,936,460.18/191,144.44
  6. Step 6: Final answer
    x = 145,010.42

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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.