Home / 174,272.31-261,408.57-85,505.22

Finding the Fourth Proportional to 174,272.31, 261,408.57 and 85,505.22

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Solution

The fourth proportional to 174,272.31, 261,408.57 and 85,505.22 is: 128,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,272.31 : 261,408.57 = 85,505.22 : x
  2. Step 2: Convert to fraction form
    174,272.31/261,408.57 = 85,505.22/x
  3. Step 3: Cross multiply
    174,272.31x = 261,408.57 × 85,505.22
  4. Step 4: Simplify right side
    174,272.31x = 22,351,796,967.09
  5. Step 5: Solve for x
    x = 22,351,796,967.09/174,272.31
  6. Step 6: Final answer
    x = 128,257.88

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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.