Home / 118,219.80-177,331.26-39,334.04

Finding the Fourth Proportional to 118,219.80, 177,331.26 and 39,334.04

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Solution

The fourth proportional to 118,219.80, 177,331.26 and 39,334.04 is: 59,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,219.80 : 177,331.26 = 39,334.04 : x
  2. Step 2: Convert to fraction form
    118,219.80/177,331.26 = 39,334.04/x
  3. Step 3: Cross multiply
    118,219.80x = 177,331.26 × 39,334.04
  4. Step 4: Simplify right side
    118,219.80x = 6,975,154,874.09
  5. Step 5: Solve for x
    x = 6,975,154,874.09/118,219.80
  6. Step 6: Final answer
    x = 59,001.58

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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.