Home / 293,923.21-405,617.43-163,103.55

Finding the Fourth Proportional to 293,923.21, 405,617.43 and 163,103.55

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Solution

The fourth proportional to 293,923.21, 405,617.43 and 163,103.55 is: 225,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,923.21 : 405,617.43 = 163,103.55 : x
  2. Step 2: Convert to fraction form
    293,923.21/405,617.43 = 163,103.55/x
  3. Step 3: Cross multiply
    293,923.21x = 405,617.43 × 163,103.55
  4. Step 4: Simplify right side
    293,923.21x = 66,157,642,168.59
  5. Step 5: Solve for x
    x = 66,157,642,168.59/293,923.21
  6. Step 6: Final answer
    x = 225,084.79

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1.5x scale

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.