Home / 126,076.10-189,136.51-41,841.30

Finding the Fourth Proportional to 126,076.10, 189,136.51 and 41,841.30

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Solution

The fourth proportional to 126,076.10, 189,136.51 and 41,841.30 is: 62,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,076.10 : 189,136.51 = 41,841.30 : x
  2. Step 2: Convert to fraction form
    126,076.10/189,136.51 = 41,841.30/x
  3. Step 3: Cross multiply
    126,076.10x = 189,136.51 × 41,841.30
  4. Step 4: Simplify right side
    126,076.10x = 7,913,717,455.86
  5. Step 5: Solve for x
    x = 7,913,717,455.86/126,076.10
  6. Step 6: Final answer
    x = 62,769.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.