Home / 185,778.86-278,668.29-80,595.50

Finding the Fourth Proportional to 185,778.86, 278,668.29 and 80,595.50

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Solution

The fourth proportional to 185,778.86, 278,668.29 and 80,595.50 is: 120,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,778.86 : 278,668.29 = 80,595.50 : x
  2. Step 2: Convert to fraction form
    185,778.86/278,668.29 = 80,595.50/x
  3. Step 3: Cross multiply
    185,778.86x = 278,668.29 × 80,595.50
  4. Step 4: Simplify right side
    185,778.86x = 22,459,410,166.70
  5. Step 5: Solve for x
    x = 22,459,410,166.70/185,778.86
  6. Step 6: Final answer
    x = 120,893.25

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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.