Home / 268,890.48-371,183.40-191,416.32

Finding the Fourth Proportional to 268,890.48, 371,183.40 and 191,416.32

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Solution

The fourth proportional to 268,890.48, 371,183.40 and 191,416.32 is: 264,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,890.48 : 371,183.40 = 191,416.32 : x
  2. Step 2: Convert to fraction form
    268,890.48/371,183.40 = 191,416.32/x
  3. Step 3: Cross multiply
    268,890.48x = 371,183.40 × 191,416.32
  4. Step 4: Simplify right side
    268,890.48x = 71,050,560,473.09
  5. Step 5: Solve for x
    x = 71,050,560,473.09/268,890.48
  6. Step 6: Final answer
    x = 264,236.06

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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.