Home / 215,177.96-324,378.52-200,727.36

Finding the Fourth Proportional to 215,177.96, 324,378.52 and 200,727.36

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Solution

The fourth proportional to 215,177.96, 324,378.52 and 200,727.36 is: 302,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,177.96 : 324,378.52 = 200,727.36 : x
  2. Step 2: Convert to fraction form
    215,177.96/324,378.52 = 200,727.36/x
  3. Step 3: Cross multiply
    215,177.96x = 324,378.52 × 200,727.36
  4. Step 4: Simplify right side
    215,177.96x = 65,111,643,458.49
  5. Step 5: Solve for x
    x = 65,111,643,458.49/215,177.96
  6. Step 6: Final answer
    x = 302,594.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.