Home / 118,087.87-177,093.42-39,180.91

Finding the Fourth Proportional to 118,087.87, 177,093.42 and 39,180.91

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Solution

The fourth proportional to 118,087.87, 177,093.42 and 39,180.91 is: 58,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,087.87 : 177,093.42 = 39,180.91 : x
  2. Step 2: Convert to fraction form
    118,087.87/177,093.42 = 39,180.91/x
  3. Step 3: Cross multiply
    118,087.87x = 177,093.42 × 39,180.91
  4. Step 4: Simplify right side
    118,087.87x = 6,938,681,350.61
  5. Step 5: Solve for x
    x = 6,938,681,350.61/118,087.87
  6. Step 6: Final answer
    x = 58,758.63

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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.