Home / 118,104.86-177,157.30-47,984.20

Finding the Fourth Proportional to 118,104.86, 177,157.30 and 47,984.20

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Solution

The fourth proportional to 118,104.86, 177,157.30 and 47,984.20 is: 71,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104.86 : 177,157.30 = 47,984.20 : x
  2. Step 2: Convert to fraction form
    118,104.86/177,157.30 = 47,984.20/x
  3. Step 3: Cross multiply
    118,104.86x = 177,157.30 × 47,984.20
  4. Step 4: Simplify right side
    118,104.86x = 8,500,751,314.66
  5. Step 5: Solve for x
    x = 8,500,751,314.66/118,104.86
  6. Step 6: Final answer
    x = 71,976.30

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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.