Home / 329,736.40-455,036.76-178,833.52

Finding the Fourth Proportional to 329,736.40, 455,036.76 and 178,833.52

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Solution

The fourth proportional to 329,736.40, 455,036.76 and 178,833.52 is: 246,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,736.40 : 455,036.76 = 178,833.52 : x
  2. Step 2: Convert to fraction form
    329,736.40/455,036.76 = 178,833.52/x
  3. Step 3: Cross multiply
    329,736.40x = 455,036.76 × 178,833.52
  4. Step 4: Simplify right side
    329,736.40x = 81,375,825,520.20
  5. Step 5: Solve for x
    x = 81,375,825,520.20/329,736.40
  6. Step 6: Final answer
    x = 246,790.54

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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.