Home / 115,175.22-172,771.57-39,250.16

Finding the Fourth Proportional to 115,175.22, 172,771.57 and 39,250.16

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Solution

The fourth proportional to 115,175.22, 172,771.57 and 39,250.16 is: 58,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,175.22 : 172,771.57 = 39,250.16 : x
  2. Step 2: Convert to fraction form
    115,175.22/172,771.57 = 39,250.16/x
  3. Step 3: Cross multiply
    115,175.22x = 172,771.57 × 39,250.16
  4. Step 4: Simplify right side
    115,175.22x = 6,781,311,599.05
  5. Step 5: Solve for x
    x = 6,781,311,599.05/115,175.22
  6. Step 6: Final answer
    x = 58,878.22

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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.