Home / 118,249.12-177,415.68-73,824.56

Finding the Fourth Proportional to 118,249.12, 177,415.68 and 73,824.56

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Solution

The fourth proportional to 118,249.12, 177,415.68 and 73,824.56 is: 110,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249.12 : 177,415.68 = 73,824.56 : x
  2. Step 2: Convert to fraction form
    118,249.12/177,415.68 = 73,824.56/x
  3. Step 3: Cross multiply
    118,249.12x = 177,415.68 × 73,824.56
  4. Step 4: Simplify right side
    118,249.12x = 13,097,634,513.10
  5. Step 5: Solve for x
    x = 13,097,634,513.10/118,249.12
  6. Step 6: Final answer
    x = 110,763.06

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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.