Home / 191,180.68-263,842.20-126,538.54

Finding the Fourth Proportional to 191,180.68, 263,842.20 and 126,538.54

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Solution

The fourth proportional to 191,180.68, 263,842.20 and 126,538.54 is: 174,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,180.68 : 263,842.20 = 126,538.54 : x
  2. Step 2: Convert to fraction form
    191,180.68/263,842.20 = 126,538.54/x
  3. Step 3: Cross multiply
    191,180.68x = 263,842.20 × 126,538.54
  4. Step 4: Simplify right side
    191,180.68x = 33,386,206,118.78
  5. Step 5: Solve for x
    x = 33,386,206,118.78/191,180.68
  6. Step 6: Final answer
    x = 174,631.70

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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.