Home / 180,157.20-248,687.04-161,261.52

Finding the Fourth Proportional to 180,157.20, 248,687.04 and 161,261.52

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Solution

The fourth proportional to 180,157.20, 248,687.04 and 161,261.52 is: 222,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,157.20 : 248,687.04 = 161,261.52 : x
  2. Step 2: Convert to fraction form
    180,157.20/248,687.04 = 161,261.52/x
  3. Step 3: Cross multiply
    180,157.20x = 248,687.04 × 161,261.52
  4. Step 4: Simplify right side
    180,157.20x = 40,103,650,074.70
  5. Step 5: Solve for x
    x = 40,103,650,074.70/180,157.20
  6. Step 6: Final answer
    x = 222,603.65

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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.