Home / 321,346.32-482,086.90-96,723.18

Finding the Fourth Proportional to 321,346.32, 482,086.90 and 96,723.18

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Solution

The fourth proportional to 321,346.32, 482,086.90 and 96,723.18 is: 145,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,346.32 : 482,086.90 = 96,723.18 : x
  2. Step 2: Convert to fraction form
    321,346.32/482,086.90 = 96,723.18/x
  3. Step 3: Cross multiply
    321,346.32x = 482,086.90 × 96,723.18
  4. Step 4: Simplify right side
    321,346.32x = 46,628,978,004.34
  5. Step 5: Solve for x
    x = 46,628,978,004.34/321,346.32
  6. Step 6: Final answer
    x = 145,105.06

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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.