Home / 149,850.18-206,792.91-82,782.18

Finding the Fourth Proportional to 149,850.18, 206,792.91 and 82,782.18

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Solution

The fourth proportional to 149,850.18, 206,792.91 and 82,782.18 is: 114,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,850.18 : 206,792.91 = 82,782.18 : x
  2. Step 2: Convert to fraction form
    149,850.18/206,792.91 = 82,782.18/x
  3. Step 3: Cross multiply
    149,850.18x = 206,792.91 × 82,782.18
  4. Step 4: Simplify right side
    149,850.18x = 17,118,767,898.34
  5. Step 5: Solve for x
    x = 17,118,767,898.34/149,850.18
  6. Step 6: Final answer
    x = 114,239.22

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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.