Home / 106,600.94-159,984.98-74,370.42

Finding the Fourth Proportional to 106,600.94, 159,984.98 and 74,370.42

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Solution

The fourth proportional to 106,600.94, 159,984.98 and 74,370.42 is: 111,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,600.94 : 159,984.98 = 74,370.42 : x
  2. Step 2: Convert to fraction form
    106,600.94/159,984.98 = 74,370.42/x
  3. Step 3: Cross multiply
    106,600.94x = 159,984.98 × 74,370.42
  4. Step 4: Simplify right side
    106,600.94x = 11,898,149,784.44
  5. Step 5: Solve for x
    x = 11,898,149,784.44/106,600.94
  6. Step 6: Final answer
    x = 111,613.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.