Home / 115,160.67-172,791.27-40,334.49

Finding the Fourth Proportional to 115,160.67, 172,791.27 and 40,334.49

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Solution

The fourth proportional to 115,160.67, 172,791.27 and 40,334.49 is: 60,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,160.67 : 172,791.27 = 40,334.49 : x
  2. Step 2: Convert to fraction form
    115,160.67/172,791.27 = 40,334.49/x
  3. Step 3: Cross multiply
    115,160.67x = 172,791.27 × 40,334.49
  4. Step 4: Simplify right side
    115,160.67x = 6,969,447,751.90
  5. Step 5: Solve for x
    x = 6,969,447,751.90/115,160.67
  6. Step 6: Final answer
    x = 60,519.34

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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.