Home / 118,944.88-178,417.62-40,114.46

Finding the Fourth Proportional to 118,944.88, 178,417.62 and 40,114.46

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Solution

The fourth proportional to 118,944.88, 178,417.62 and 40,114.46 is: 60,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,944.88 : 178,417.62 = 40,114.46 : x
  2. Step 2: Convert to fraction form
    118,944.88/178,417.62 = 40,114.46/x
  3. Step 3: Cross multiply
    118,944.88x = 178,417.62 × 40,114.46
  4. Step 4: Simplify right side
    118,944.88x = 7,157,126,926.83
  5. Step 5: Solve for x
    x = 7,157,126,926.83/118,944.88
  6. Step 6: Final answer
    x = 60,171.80

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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.