Home / 263,154.15-363,131.78-148,395.98

Finding the Fourth Proportional to 263,154.15, 363,131.78 and 148,395.98

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Solution

The fourth proportional to 263,154.15, 363,131.78 and 148,395.98 is: 204,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,154.15 : 363,131.78 = 148,395.98 : x
  2. Step 2: Convert to fraction form
    263,154.15/363,131.78 = 148,395.98/x
  3. Step 3: Cross multiply
    263,154.15x = 363,131.78 × 148,395.98
  4. Step 4: Simplify right side
    263,154.15x = 53,887,296,528.09
  5. Step 5: Solve for x
    x = 53,887,296,528.09/263,154.15
  6. Step 6: Final answer
    x = 204,774.64

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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.