Home / 171,608.36-236,809.86-100,000.04

Finding the Fourth Proportional to 171,608.36, 236,809.86 and 100,000.04

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Solution

The fourth proportional to 171,608.36, 236,809.86 and 100,000.04 is: 137,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,608.36 : 236,809.86 = 100,000.04 : x
  2. Step 2: Convert to fraction form
    171,608.36/236,809.86 = 100,000.04/x
  3. Step 3: Cross multiply
    171,608.36x = 236,809.86 × 100,000.04
  4. Step 4: Simplify right side
    171,608.36x = 23,680,995,472.39
  5. Step 5: Solve for x
    x = 23,680,995,472.39/171,608.36
  6. Step 6: Final answer
    x = 137,994.42

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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.