Home / 298,949.09-412,316.46-191,529.18

Finding the Fourth Proportional to 298,949.09, 412,316.46 and 191,529.18

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Solution

The fourth proportional to 298,949.09, 412,316.46 and 191,529.18 is: 264,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,949.09 : 412,316.46 = 191,529.18 : x
  2. Step 2: Convert to fraction form
    298,949.09/412,316.46 = 191,529.18/x
  3. Step 3: Cross multiply
    298,949.09x = 412,316.46 × 191,529.18
  4. Step 4: Simplify right side
    298,949.09x = 78,970,633,484.30
  5. Step 5: Solve for x
    x = 78,970,633,484.30/298,949.09
  6. Step 6: Final answer
    x = 264,160.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.