Home / 432,070.74-647,932.80-179,179.43

Finding the Fourth Proportional to 432,070.74, 647,932.80 and 179,179.43

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Solution

The fourth proportional to 432,070.74, 647,932.80 and 179,179.43 is: 268,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,070.74 : 647,932.80 = 179,179.43 : x
  2. Step 2: Convert to fraction form
    432,070.74/647,932.80 = 179,179.43/x
  3. Step 3: Cross multiply
    432,070.74x = 647,932.80 × 179,179.43
  4. Step 4: Simplify right side
    432,070.74x = 116,096,226,542.64
  5. Step 5: Solve for x
    x = 116,096,226,542.64/432,070.74
  6. Step 6: Final answer
    x = 268,697.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.