Home / 329,819.46-455,151.73-178,916.46

Finding the Fourth Proportional to 329,819.46, 455,151.73 and 178,916.46

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Solution

The fourth proportional to 329,819.46, 455,151.73 and 178,916.46 is: 246,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,819.46 : 455,151.73 = 178,916.46 : x
  2. Step 2: Convert to fraction form
    329,819.46/455,151.73 = 178,916.46/x
  3. Step 3: Cross multiply
    329,819.46x = 455,151.73 × 178,916.46
  4. Step 4: Simplify right side
    329,819.46x = 81,434,137,539.27
  5. Step 5: Solve for x
    x = 81,434,137,539.27/329,819.46
  6. Step 6: Final answer
    x = 246,905.19

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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.