Home / 432,330.11-648,518.77-179,636.15

Finding the Fourth Proportional to 432,330.11, 648,518.77 and 179,636.15

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Solution

The fourth proportional to 432,330.11, 648,518.77 and 179,636.15 is: 269,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,330.11 : 648,518.77 = 179,636.15 : x
  2. Step 2: Convert to fraction form
    432,330.11/648,518.77 = 179,636.15/x
  3. Step 3: Cross multiply
    432,330.11x = 648,518.77 × 179,636.15
  4. Step 4: Simplify right side
    432,330.11x = 116,497,416,217.74
  5. Step 5: Solve for x
    x = 116,497,416,217.74/432,330.11
  6. Step 6: Final answer
    x = 269,464.03

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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.