Home / 329,824.39-455,158.54-178,921.39

Finding the Fourth Proportional to 329,824.39, 455,158.54 and 178,921.39

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Solution

The fourth proportional to 329,824.39, 455,158.54 and 178,921.39 is: 246,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.39 : 455,158.54 = 178,921.39 : x
  2. Step 2: Convert to fraction form
    329,824.39/455,158.54 = 178,921.39/x
  3. Step 3: Cross multiply
    329,824.39x = 455,158.54 × 178,921.39
  4. Step 4: Simplify right side
    329,824.39x = 81,437,597,752.56
  5. Step 5: Solve for x
    x = 81,437,597,752.56/329,824.39
  6. Step 6: Final answer
    x = 246,911.99

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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.