Home / 263,485.35-395,282.66-105,726.11

Finding the Fourth Proportional to 263,485.35, 395,282.66 and 105,726.11

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Solution

The fourth proportional to 263,485.35, 395,282.66 and 105,726.11 is: 158,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,485.35 : 395,282.66 = 105,726.11 : x
  2. Step 2: Convert to fraction form
    263,485.35/395,282.66 = 105,726.11/x
  3. Step 3: Cross multiply
    263,485.35x = 395,282.66 × 105,726.11
  4. Step 4: Simplify right side
    263,485.35x = 41,791,695,487.21
  5. Step 5: Solve for x
    x = 41,791,695,487.21/263,485.35
  6. Step 6: Final answer
    x = 158,611.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.