Home / 263,561.13-363,712.78-142,699.85

Finding the Fourth Proportional to 263,561.13, 363,712.78 and 142,699.85

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Solution

The fourth proportional to 263,561.13, 363,712.78 and 142,699.85 is: 196,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,561.13 : 363,712.78 = 142,699.85 : x
  2. Step 2: Convert to fraction form
    263,561.13/363,712.78 = 142,699.85/x
  3. Step 3: Cross multiply
    263,561.13x = 363,712.78 × 142,699.85
  4. Step 4: Simplify right side
    263,561.13x = 51,901,759,149.08
  5. Step 5: Solve for x
    x = 51,901,759,149.08/263,561.13
  6. Step 6: Final answer
    x = 196,924.94

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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.