Home / 331,258.15-457,149.99-188,031.52

Finding the Fourth Proportional to 331,258.15, 457,149.99 and 188,031.52

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Solution

The fourth proportional to 331,258.15, 457,149.99 and 188,031.52 is: 259,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,258.15 : 457,149.99 = 188,031.52 : x
  2. Step 2: Convert to fraction form
    331,258.15/457,149.99 = 188,031.52/x
  3. Step 3: Cross multiply
    331,258.15x = 457,149.99 × 188,031.52
  4. Step 4: Simplify right side
    331,258.15x = 85,958,607,487.68
  5. Step 5: Solve for x
    x = 85,958,607,487.68/331,258.15
  6. Step 6: Final answer
    x = 259,491.30

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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.