Home / 149,996.78-206,987.10-82,001.13

Finding the Fourth Proportional to 149,996.78, 206,987.10 and 82,001.13

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Solution

The fourth proportional to 149,996.78, 206,987.10 and 82,001.13 is: 113,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,996.78 : 206,987.10 = 82,001.13 : x
  2. Step 2: Convert to fraction form
    149,996.78/206,987.10 = 82,001.13/x
  3. Step 3: Cross multiply
    149,996.78x = 206,987.10 × 82,001.13
  4. Step 4: Simplify right side
    149,996.78x = 16,973,175,011.72
  5. Step 5: Solve for x
    x = 16,973,175,011.72/149,996.78
  6. Step 6: Final answer
    x = 113,156.93

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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.