Home / 236,778.32-355,170.56-79,006.77

Finding the Fourth Proportional to 236,778.32, 355,170.56 and 79,006.77

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Solution

The fourth proportional to 236,778.32, 355,170.56 and 79,006.77 is: 118,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,778.32 : 355,170.56 = 79,006.77 : x
  2. Step 2: Convert to fraction form
    236,778.32/355,170.56 = 79,006.77/x
  3. Step 3: Cross multiply
    236,778.32x = 355,170.56 × 79,006.77
  4. Step 4: Simplify right side
    236,778.32x = 28,060,879,237.58
  5. Step 5: Solve for x
    x = 28,060,879,237.58/236,778.32
  6. Step 6: Final answer
    x = 118,511.19

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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.