Home / 331,654.13-457,684.22-188,422.04

Finding the Fourth Proportional to 331,654.13, 457,684.22 and 188,422.04

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Solution

The fourth proportional to 331,654.13, 457,684.22 and 188,422.04 is: 260,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,654.13 : 457,684.22 = 188,422.04 : x
  2. Step 2: Convert to fraction form
    331,654.13/457,684.22 = 188,422.04/x
  3. Step 3: Cross multiply
    331,654.13x = 457,684.22 × 188,422.04
  4. Step 4: Simplify right side
    331,654.13x = 86,237,792,119.79
  5. Step 5: Solve for x
    x = 86,237,792,119.79/331,654.13
  6. Step 6: Final answer
    x = 260,023.27

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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.