Home / 329,824.43-455,158.59-178,921.43

Finding the Fourth Proportional to 329,824.43, 455,158.59 and 178,921.43

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Solution

The fourth proportional to 329,824.43, 455,158.59 and 178,921.43 is: 246,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.43 : 455,158.59 = 178,921.43 : x
  2. Step 2: Convert to fraction form
    329,824.43/455,158.59 = 178,921.43/x
  3. Step 3: Cross multiply
    329,824.43x = 455,158.59 × 178,921.43
  4. Step 4: Simplify right side
    329,824.43x = 81,437,626,937.48
  5. Step 5: Solve for x
    x = 81,437,626,937.48/329,824.43
  6. Step 6: Final answer
    x = 246,912.05

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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.