Home / 171,235.56-236,531-131,441.08

Finding the Fourth Proportional to 171,235.56, 236,531 and 131,441.08

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Solution

The fourth proportional to 171,235.56, 236,531 and 131,441.08 is: 181,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,235.56 : 236,531 = 131,441.08 : x
  2. Step 2: Convert to fraction form
    171,235.56/236,531 = 131,441.08/x
  3. Step 3: Cross multiply
    171,235.56x = 236,531 × 131,441.08
  4. Step 4: Simplify right side
    171,235.56x = 31,089,890,093.48
  5. Step 5: Solve for x
    x = 31,089,890,093.48/171,235.56
  6. Step 6: Final answer
    x = 181,562.11

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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.