Home / 118,115.47-177,170.77-39,230.38

Finding the Fourth Proportional to 118,115.47, 177,170.77 and 39,230.38

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Solution

The fourth proportional to 118,115.47, 177,170.77 and 39,230.38 is: 58,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,115.47 : 177,170.77 = 39,230.38 : x
  2. Step 2: Convert to fraction form
    118,115.47/177,170.77 = 39,230.38/x
  3. Step 3: Cross multiply
    118,115.47x = 177,170.77 × 39,230.38
  4. Step 4: Simplify right side
    118,115.47x = 6,950,476,631.99
  5. Step 5: Solve for x
    x = 6,950,476,631.99/118,115.47
  6. Step 6: Final answer
    x = 58,844.76

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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.