Home / 329,824.27-455,158.36-178,921.27

Finding the Fourth Proportional to 329,824.27, 455,158.36 and 178,921.27

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Solution

The fourth proportional to 329,824.27, 455,158.36 and 178,921.27 is: 246,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.27 : 455,158.36 = 178,921.27 : x
  2. Step 2: Convert to fraction form
    329,824.27/455,158.36 = 178,921.27/x
  3. Step 3: Cross multiply
    329,824.27x = 455,158.36 × 178,921.27
  4. Step 4: Simplify right side
    329,824.27x = 81,437,510,908.07
  5. Step 5: Solve for x
    x = 81,437,510,908.07/329,824.27
  6. Step 6: Final answer
    x = 246,911.82

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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.