Home / 168,072.48-231,937-91,592.24

Finding the Fourth Proportional to 168,072.48, 231,937 and 91,592.24

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Solution

The fourth proportional to 168,072.48, 231,937 and 91,592.24 is: 126,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,072.48 : 231,937 = 91,592.24 : x
  2. Step 2: Convert to fraction form
    168,072.48/231,937 = 91,592.24/x
  3. Step 3: Cross multiply
    168,072.48x = 231,937 × 91,592.24
  4. Step 4: Simplify right side
    168,072.48x = 21,243,629,368.88
  5. Step 5: Solve for x
    x = 21,243,629,368.88/168,072.48
  6. Step 6: Final answer
    x = 126,395.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.