Home / 432,175.84-648,215.24-165,749.44

Finding the Fourth Proportional to 432,175.84, 648,215.24 and 165,749.44

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Solution

The fourth proportional to 432,175.84, 648,215.24 and 165,749.44 is: 248,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,175.84 : 648,215.24 = 165,749.44 : x
  2. Step 2: Convert to fraction form
    432,175.84/648,215.24 = 165,749.44/x
  3. Step 3: Cross multiply
    432,175.84x = 648,215.24 × 165,749.44
  4. Step 4: Simplify right side
    432,175.84x = 107,441,313,029.47
  5. Step 5: Solve for x
    x = 107,441,313,029.47/432,175.84
  6. Step 6: Final answer
    x = 248,605.55

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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.