Home / 191,137.86-263,782.98-126,495.54

Finding the Fourth Proportional to 191,137.86, 263,782.98 and 126,495.54

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Solution

The fourth proportional to 191,137.86, 263,782.98 and 126,495.54 is: 174,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,137.86 : 263,782.98 = 126,495.54 : x
  2. Step 2: Convert to fraction form
    191,137.86/263,782.98 = 126,495.54/x
  3. Step 3: Cross multiply
    191,137.86x = 263,782.98 × 126,495.54
  4. Step 4: Simplify right side
    191,137.86x = 33,367,370,497.91
  5. Step 5: Solve for x
    x = 33,367,370,497.91/191,137.86
  6. Step 6: Final answer
    x = 174,572.27

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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.