Home / 432,231.63-647,904.04-165,920.43

Finding the Fourth Proportional to 432,231.63, 647,904.04 and 165,920.43

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Solution

The fourth proportional to 432,231.63, 647,904.04 and 165,920.43 is: 248,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,231.63 : 647,904.04 = 165,920.43 : x
  2. Step 2: Convert to fraction form
    432,231.63/647,904.04 = 165,920.43/x
  3. Step 3: Cross multiply
    432,231.63x = 647,904.04 × 165,920.43
  4. Step 4: Simplify right side
    432,231.63x = 107,500,516,915.54
  5. Step 5: Solve for x
    x = 107,500,516,915.54/432,231.63
  6. Step 6: Final answer
    x = 248,710.44

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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.