Home / 325,054.20-486,630.90-231,742.20

Finding the Fourth Proportional to 325,054.20, 486,630.90 and 231,742.20

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Solution

The fourth proportional to 325,054.20, 486,630.90 and 231,742.20 is: 346,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,054.20 : 486,630.90 = 231,742.20 : x
  2. Step 2: Convert to fraction form
    325,054.20/486,630.90 = 231,742.20/x
  3. Step 3: Cross multiply
    325,054.20x = 486,630.90 × 231,742.20
  4. Step 4: Simplify right side
    325,054.20x = 112,772,915,353.98
  5. Step 5: Solve for x
    x = 112,772,915,353.98/325,054.20
  6. Step 6: Final answer
    x = 346,935.73

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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.