Home / 149,600.16-206,446.80-82,531.68

Finding the Fourth Proportional to 149,600.16, 206,446.80 and 82,531.68

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Solution

The fourth proportional to 149,600.16, 206,446.80 and 82,531.68 is: 113,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,600.16 : 206,446.80 = 82,531.68 : x
  2. Step 2: Convert to fraction form
    149,600.16/206,446.80 = 82,531.68/x
  3. Step 3: Cross multiply
    149,600.16x = 206,446.80 × 82,531.68
  4. Step 4: Simplify right side
    149,600.16x = 17,038,401,234.62
  5. Step 5: Solve for x
    x = 17,038,401,234.62/149,600.16
  6. Step 6: Final answer
    x = 113,892.93

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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.