Home / 118,795.89-178,069.05-43,868.28

Finding the Fourth Proportional to 118,795.89, 178,069.05 and 43,868.28

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Solution

The fourth proportional to 118,795.89, 178,069.05 and 43,868.28 is: 65,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,795.89 : 178,069.05 = 43,868.28 : x
  2. Step 2: Convert to fraction form
    118,795.89/178,069.05 = 43,868.28/x
  3. Step 3: Cross multiply
    118,795.89x = 178,069.05 × 43,868.28
  4. Step 4: Simplify right side
    118,795.89x = 7,811,582,944.73
  5. Step 5: Solve for x
    x = 7,811,582,944.73/118,795.89
  6. Step 6: Final answer
    x = 65,756.34

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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.