Home / 324,076.12-447,158.26-186,228.40

Finding the Fourth Proportional to 324,076.12, 447,158.26 and 186,228.40

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Solution

The fourth proportional to 324,076.12, 447,158.26 and 186,228.40 is: 256,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,076.12 : 447,158.26 = 186,228.40 : x
  2. Step 2: Convert to fraction form
    324,076.12/447,158.26 = 186,228.40/x
  3. Step 3: Cross multiply
    324,076.12x = 447,158.26 × 186,228.40
  4. Step 4: Simplify right side
    324,076.12x = 83,273,567,306.58
  5. Step 5: Solve for x
    x = 83,273,567,306.58/324,076.12
  6. Step 6: Final answer
    x = 256,956.81

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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.