Home / 118,087.13-177,112.44-43,189.76

Finding the Fourth Proportional to 118,087.13, 177,112.44 and 43,189.76

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Solution

The fourth proportional to 118,087.13, 177,112.44 and 43,189.76 is: 64,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,087.13 : 177,112.44 = 43,189.76 : x
  2. Step 2: Convert to fraction form
    118,087.13/177,112.44 = 43,189.76/x
  3. Step 3: Cross multiply
    118,087.13x = 177,112.44 × 43,189.76
  4. Step 4: Simplify right side
    118,087.13x = 7,649,443,765.84
  5. Step 5: Solve for x
    x = 7,649,443,765.84/118,087.13
  6. Step 6: Final answer
    x = 64,777.96

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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.