Home / 252,540.80-348,621-161,930.96

Finding the Fourth Proportional to 252,540.80, 348,621 and 161,930.96

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Solution

The fourth proportional to 252,540.80, 348,621 and 161,930.96 is: 223,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,540.80 : 348,621 = 161,930.96 : x
  2. Step 2: Convert to fraction form
    252,540.80/348,621 = 161,930.96/x
  3. Step 3: Cross multiply
    252,540.80x = 348,621 × 161,930.96
  4. Step 4: Simplify right side
    252,540.80x = 56,452,533,206.16
  5. Step 5: Solve for x
    x = 56,452,533,206.16/252,540.80
  6. Step 6: Final answer
    x = 223,538.27

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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.