Home / 324,221.04-447,423.28-188,288.36

Finding the Fourth Proportional to 324,221.04, 447,423.28 and 188,288.36

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Solution

The fourth proportional to 324,221.04, 447,423.28 and 188,288.36 is: 259,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,221.04 : 447,423.28 = 188,288.36 : x
  2. Step 2: Convert to fraction form
    324,221.04/447,423.28 = 188,288.36/x
  3. Step 3: Cross multiply
    324,221.04x = 447,423.28 × 188,288.36
  4. Step 4: Simplify right side
    324,221.04x = 84,244,595,617.02
  5. Step 5: Solve for x
    x = 84,244,595,617.02/324,221.04
  6. Step 6: Final answer
    x = 259,836.92

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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.