Home / 118,327.36-163,249.92-75,908.80

Finding the Fourth Proportional to 118,327.36, 163,249.92 and 75,908.80

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Solution

The fourth proportional to 118,327.36, 163,249.92 and 75,908.80 is: 104,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,327.36 : 163,249.92 = 75,908.80 : x
  2. Step 2: Convert to fraction form
    118,327.36/163,249.92 = 75,908.80/x
  3. Step 3: Cross multiply
    118,327.36x = 163,249.92 × 75,908.80
  4. Step 4: Simplify right side
    118,327.36x = 12,392,105,527.30
  5. Step 5: Solve for x
    x = 12,392,105,527.30/118,327.36
  6. Step 6: Final answer
    x = 104,727.31

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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.