Home / 168,558.40-231,895.20-163,892.80

Finding the Fourth Proportional to 168,558.40, 231,895.20 and 163,892.80

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Solution

The fourth proportional to 168,558.40, 231,895.20 and 163,892.80 is: 225,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,558.40 : 231,895.20 = 163,892.80 : x
  2. Step 2: Convert to fraction form
    168,558.40/231,895.20 = 163,892.80/x
  3. Step 3: Cross multiply
    168,558.40x = 231,895.20 × 163,892.80
  4. Step 4: Simplify right side
    168,558.40x = 38,005,953,634.56
  5. Step 5: Solve for x
    x = 38,005,953,634.56/168,558.40
  6. Step 6: Final answer
    x = 225,476.47

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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.