Home / 331,731.63-457,789.65-180,828.63

Finding the Fourth Proportional to 331,731.63, 457,789.65 and 180,828.63

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Solution

The fourth proportional to 331,731.63, 457,789.65 and 180,828.63 is: 249,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,731.63 : 457,789.65 = 180,828.63 : x
  2. Step 2: Convert to fraction form
    331,731.63/457,789.65 = 180,828.63/x
  3. Step 3: Cross multiply
    331,731.63x = 457,789.65 × 180,828.63
  4. Step 4: Simplify right side
    331,731.63x = 82,781,475,237.68
  5. Step 5: Solve for x
    x = 82,781,475,237.68/331,731.63
  6. Step 6: Final answer
    x = 249,543.51

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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.