Home / 190,611.38-263,036.98-105,736.34

Finding the Fourth Proportional to 190,611.38, 263,036.98 and 105,736.34

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Solution

The fourth proportional to 190,611.38, 263,036.98 and 105,736.34 is: 145,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,611.38 : 263,036.98 = 105,736.34 : x
  2. Step 2: Convert to fraction form
    190,611.38/263,036.98 = 105,736.34/x
  3. Step 3: Cross multiply
    190,611.38x = 263,036.98 × 105,736.34
  4. Step 4: Simplify right side
    190,611.38x = 27,812,567,549.85
  5. Step 5: Solve for x
    x = 27,812,567,549.85/190,611.38
  6. Step 6: Final answer
    x = 145,912.42

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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.