Home / 269,873.10-372,430.68-149,022.12

Finding the Fourth Proportional to 269,873.10, 372,430.68 and 149,022.12

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Solution

The fourth proportional to 269,873.10, 372,430.68 and 149,022.12 is: 205,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,873.10 : 372,430.68 = 149,022.12 : x
  2. Step 2: Convert to fraction form
    269,873.10/372,430.68 = 149,022.12/x
  3. Step 3: Cross multiply
    269,873.10x = 372,430.68 × 149,022.12
  4. Step 4: Simplify right side
    269,873.10x = 55,500,409,486.64
  5. Step 5: Solve for x
    x = 55,500,409,486.64/269,873.10
  6. Step 6: Final answer
    x = 205,653.73

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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.