Home / 263,618.16-363,778.64-156,198.08

Finding the Fourth Proportional to 263,618.16, 363,778.64 and 156,198.08

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Solution

The fourth proportional to 263,618.16, 363,778.64 and 156,198.08 is: 215,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,618.16 : 363,778.64 = 156,198.08 : x
  2. Step 2: Convert to fraction form
    263,618.16/363,778.64 = 156,198.08/x
  3. Step 3: Cross multiply
    263,618.16x = 363,778.64 × 156,198.08
  4. Step 4: Simplify right side
    263,618.16x = 56,821,525,113.01
  5. Step 5: Solve for x
    x = 56,821,525,113.01/263,618.16
  6. Step 6: Final answer
    x = 215,544.81

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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.