Home / 263,756.08-363,983.75-142,897.37

Finding the Fourth Proportional to 263,756.08, 363,983.75 and 142,897.37

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Solution

The fourth proportional to 263,756.08, 363,983.75 and 142,897.37 is: 197,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,756.08 : 363,983.75 = 142,897.37 : x
  2. Step 2: Convert to fraction form
    263,756.08/363,983.75 = 142,897.37/x
  3. Step 3: Cross multiply
    263,756.08x = 363,983.75 × 142,897.37
  4. Step 4: Simplify right side
    263,756.08x = 52,012,321,507.70
  5. Step 5: Solve for x
    x = 52,012,321,507.70/263,756.08
  6. Step 6: Final answer
    x = 197,198.57

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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.