Home / 140,125.01-193,305.91-82,725.88

Finding the Fourth Proportional to 140,125.01, 193,305.91 and 82,725.88

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Solution

The fourth proportional to 140,125.01, 193,305.91 and 82,725.88 is: 114,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,125.01 : 193,305.91 = 82,725.88 : x
  2. Step 2: Convert to fraction form
    140,125.01/193,305.91 = 82,725.88/x
  3. Step 3: Cross multiply
    140,125.01x = 193,305.91 × 82,725.88
  4. Step 4: Simplify right side
    140,125.01x = 15,991,401,477.35
  5. Step 5: Solve for x
    x = 15,991,401,477.35/140,125.01
  6. Step 6: Final answer
    x = 114,122.39

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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.