Home / 205,550.20-308,320.92-94,742.20

Finding the Fourth Proportional to 205,550.20, 308,320.92 and 94,742.20

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Solution

The fourth proportional to 205,550.20, 308,320.92 and 94,742.20 is: 142,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,550.20 : 308,320.92 = 94,742.20 : x
  2. Step 2: Convert to fraction form
    205,550.20/308,320.92 = 94,742.20/x
  3. Step 3: Cross multiply
    205,550.20x = 308,320.92 × 94,742.20
  4. Step 4: Simplify right side
    205,550.20x = 29,211,002,266.82
  5. Step 5: Solve for x
    x = 29,211,002,266.82/205,550.20
  6. Step 6: Final answer
    x = 142,111.28

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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.