Home / 118,140.62-177,186.75-33,878.21

Finding the Fourth Proportional to 118,140.62, 177,186.75 and 33,878.21

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Solution

The fourth proportional to 118,140.62, 177,186.75 and 33,878.21 is: 50,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,140.62 : 177,186.75 = 33,878.21 : x
  2. Step 2: Convert to fraction form
    118,140.62/177,186.75 = 33,878.21/x
  3. Step 3: Cross multiply
    118,140.62x = 177,186.75 × 33,878.21
  4. Step 4: Simplify right side
    118,140.62x = 6,002,769,039.78
  5. Step 5: Solve for x
    x = 6,002,769,039.78/118,140.62
  6. Step 6: Final answer
    x = 50,810.38

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1.5x scale

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.