Home / 331,384.10-457,310.05-180,481.10

Finding the Fourth Proportional to 331,384.10, 457,310.05 and 180,481.10

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Solution

The fourth proportional to 331,384.10, 457,310.05 and 180,481.10 is: 249,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,384.10 : 457,310.05 = 180,481.10 : x
  2. Step 2: Convert to fraction form
    331,384.10/457,310.05 = 180,481.10/x
  3. Step 3: Cross multiply
    331,384.10x = 457,310.05 × 180,481.10
  4. Step 4: Simplify right side
    331,384.10x = 82,535,820,865.06
  5. Step 5: Solve for x
    x = 82,535,820,865.06/331,384.10
  6. Step 6: Final answer
    x = 249,063.91

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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.