Home / 331,654.32-457,684.48-188,422.22

Finding the Fourth Proportional to 331,654.32, 457,684.48 and 188,422.22

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Solution

The fourth proportional to 331,654.32, 457,684.48 and 188,422.22 is: 260,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,654.32 : 457,684.48 = 188,422.22 : x
  2. Step 2: Convert to fraction form
    331,654.32/457,684.48 = 188,422.22/x
  3. Step 3: Cross multiply
    331,654.32x = 457,684.48 × 188,422.22
  4. Step 4: Simplify right side
    331,654.32x = 86,237,925,781.15
  5. Step 5: Solve for x
    x = 86,237,925,781.15/331,654.32
  6. Step 6: Final answer
    x = 260,023.53

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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.