Home / 118,131.44-177,261.96-47,991.92

Finding the Fourth Proportional to 118,131.44, 177,261.96 and 47,991.92

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Solution

The fourth proportional to 118,131.44, 177,261.96 and 47,991.92 is: 72,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,131.44 : 177,261.96 = 47,991.92 : x
  2. Step 2: Convert to fraction form
    118,131.44/177,261.96 = 47,991.92/x
  3. Step 3: Cross multiply
    118,131.44x = 177,261.96 × 47,991.92
  4. Step 4: Simplify right side
    118,131.44x = 8,507,141,803.36
  5. Step 5: Solve for x
    x = 8,507,141,803.36/118,131.44
  6. Step 6: Final answer
    x = 72,014.21

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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.