Home / 432,680.49-649,021.23-112,832.07

Finding the Fourth Proportional to 432,680.49, 649,021.23 and 112,832.07

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Solution

The fourth proportional to 432,680.49, 649,021.23 and 112,832.07 is: 169,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,680.49 : 649,021.23 = 112,832.07 : x
  2. Step 2: Convert to fraction form
    432,680.49/649,021.23 = 112,832.07/x
  3. Step 3: Cross multiply
    432,680.49x = 649,021.23 × 112,832.07
  4. Step 4: Simplify right side
    432,680.49x = 73,230,408,854.85
  5. Step 5: Solve for x
    x = 73,230,408,854.85/432,680.49
  6. Step 6: Final answer
    x = 169,248.23

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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.