Home / 263,503.14-363,631.86-142,641.33

Finding the Fourth Proportional to 263,503.14, 363,631.86 and 142,641.33

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Solution

The fourth proportional to 263,503.14, 363,631.86 and 142,641.33 is: 196,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,503.14 : 363,631.86 = 142,641.33 : x
  2. Step 2: Convert to fraction form
    263,503.14/363,631.86 = 142,641.33/x
  3. Step 3: Cross multiply
    263,503.14x = 363,631.86 × 142,641.33
  4. Step 4: Simplify right side
    263,503.14x = 51,868,932,140.77
  5. Step 5: Solve for x
    x = 51,868,932,140.77/263,503.14
  6. Step 6: Final answer
    x = 196,843.70

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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.