Home / 324,984.20-487,296.16-132,993.48

Finding the Fourth Proportional to 324,984.20, 487,296.16 and 132,993.48

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Solution

The fourth proportional to 324,984.20, 487,296.16 and 132,993.48 is: 199,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,984.20 : 487,296.16 = 132,993.48 : x
  2. Step 2: Convert to fraction form
    324,984.20/487,296.16 = 132,993.48/x
  3. Step 3: Cross multiply
    324,984.20x = 487,296.16 × 132,993.48
  4. Step 4: Simplify right side
    324,984.20x = 64,807,212,109.04
  5. Step 5: Solve for x
    x = 64,807,212,109.04/324,984.20
  6. Step 6: Final answer
    x = 199,416.50

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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.