Home / 263,511.19-363,645.55-142,652.47

Finding the Fourth Proportional to 263,511.19, 363,645.55 and 142,652.47

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Solution

The fourth proportional to 263,511.19, 363,645.55 and 142,652.47 is: 196,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,511.19 : 363,645.55 = 142,652.47 : x
  2. Step 2: Convert to fraction form
    263,511.19/363,645.55 = 142,652.47/x
  3. Step 3: Cross multiply
    263,511.19x = 363,645.55 × 142,652.47
  4. Step 4: Simplify right side
    263,511.19x = 51,874,935,912.01
  5. Step 5: Solve for x
    x = 51,874,935,912.01/263,511.19
  6. Step 6: Final answer
    x = 196,860.47

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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.