Home / 131,051.78-196,577.64-32,555.78

Finding the Fourth Proportional to 131,051.78, 196,577.64 and 32,555.78

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Solution

The fourth proportional to 131,051.78, 196,577.64 and 32,555.78 is: 48,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,051.78 : 196,577.64 = 32,555.78 : x
  2. Step 2: Convert to fraction form
    131,051.78/196,577.64 = 32,555.78/x
  3. Step 3: Cross multiply
    131,051.78x = 196,577.64 × 32,555.78
  4. Step 4: Simplify right side
    131,051.78x = 6,399,738,400.76
  5. Step 5: Solve for x
    x = 6,399,738,400.76/131,051.78
  6. Step 6: Final answer
    x = 48,833.66

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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.