Home / 270,739.09-373,502.66-163,249.40

Finding the Fourth Proportional to 270,739.09, 373,502.66 and 163,249.40

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Solution

The fourth proportional to 270,739.09, 373,502.66 and 163,249.40 is: 225,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,739.09 : 373,502.66 = 163,249.40 : x
  2. Step 2: Convert to fraction form
    270,739.09/373,502.66 = 163,249.40/x
  3. Step 3: Cross multiply
    270,739.09x = 373,502.66 × 163,249.40
  4. Step 4: Simplify right side
    270,739.09x = 60,974,085,143.40
  5. Step 5: Solve for x
    x = 60,974,085,143.40/270,739.09
  6. Step 6: Final answer
    x = 225,213.46

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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.