Home / 263,156.58-363,134.03-155,707.92

Finding the Fourth Proportional to 263,156.58, 363,134.03 and 155,707.92

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Solution

The fourth proportional to 263,156.58, 363,134.03 and 155,707.92 is: 214,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,156.58 : 363,134.03 = 155,707.92 : x
  2. Step 2: Convert to fraction form
    263,156.58/363,134.03 = 155,707.92/x
  3. Step 3: Cross multiply
    263,156.58x = 363,134.03 × 155,707.92
  4. Step 4: Simplify right side
    263,156.58x = 56,542,843,713.98
  5. Step 5: Solve for x
    x = 56,542,843,713.98/263,156.58
  6. Step 6: Final answer
    x = 214,863.88

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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.