Home / 149,679.40-206,560.58-82,611.24

Finding the Fourth Proportional to 149,679.40, 206,560.58 and 82,611.24

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Solution

The fourth proportional to 149,679.40, 206,560.58 and 82,611.24 is: 114,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,679.40 : 206,560.58 = 82,611.24 : x
  2. Step 2: Convert to fraction form
    149,679.40/206,560.58 = 82,611.24/x
  3. Step 3: Cross multiply
    149,679.40x = 206,560.58 × 82,611.24
  4. Step 4: Simplify right side
    149,679.40x = 17,064,225,648.92
  5. Step 5: Solve for x
    x = 17,064,225,648.92/149,679.40
  6. Step 6: Final answer
    x = 114,005.17

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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.