Home / 131,135.44-196,782-46,888.96

Finding the Fourth Proportional to 131,135.44, 196,782 and 46,888.96

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Solution

The fourth proportional to 131,135.44, 196,782 and 46,888.96 is: 70,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,135.44 : 196,782 = 46,888.96 : x
  2. Step 2: Convert to fraction form
    131,135.44/196,782 = 46,888.96/x
  3. Step 3: Cross multiply
    131,135.44x = 196,782 × 46,888.96
  4. Step 4: Simplify right side
    131,135.44x = 9,226,903,326.72
  5. Step 5: Solve for x
    x = 9,226,903,326.72/131,135.44
  6. Step 6: Final answer
    x = 70,361.63

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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.