Home / 239,820.83-330,944.06-132,388.55

Finding the Fourth Proportional to 239,820.83, 330,944.06 and 132,388.55

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Solution

The fourth proportional to 239,820.83, 330,944.06 and 132,388.55 is: 182,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,820.83 : 330,944.06 = 132,388.55 : x
  2. Step 2: Convert to fraction form
    239,820.83/330,944.06 = 132,388.55/x
  3. Step 3: Cross multiply
    239,820.83x = 330,944.06 × 132,388.55
  4. Step 4: Simplify right side
    239,820.83x = 43,813,201,917.85
  5. Step 5: Solve for x
    x = 43,813,201,917.85/239,820.83
  6. Step 6: Final answer
    x = 182,691.40

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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.