Home / 331,189.43-457,052.45-186,020.75

Finding the Fourth Proportional to 331,189.43, 457,052.45 and 186,020.75

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Solution

The fourth proportional to 331,189.43, 457,052.45 and 186,020.75 is: 256,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,189.43 : 457,052.45 = 186,020.75 : x
  2. Step 2: Convert to fraction form
    331,189.43/457,052.45 = 186,020.75/x
  3. Step 3: Cross multiply
    331,189.43x = 457,052.45 × 186,020.75
  4. Step 4: Simplify right side
    331,189.43x = 85,021,239,750.86
  5. Step 5: Solve for x
    x = 85,021,239,750.86/331,189.43
  6. Step 6: Final answer
    x = 256,714.84

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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.