Home / 106,359.15-159,668.33-105,581.55

Finding the Fourth Proportional to 106,359.15, 159,668.33 and 105,581.55

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Solution

The fourth proportional to 106,359.15, 159,668.33 and 105,581.55 is: 158,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,359.15 : 159,668.33 = 105,581.55 : x
  2. Step 2: Convert to fraction form
    106,359.15/159,668.33 = 105,581.55/x
  3. Step 3: Cross multiply
    106,359.15x = 159,668.33 × 105,581.55
  4. Step 4: Simplify right side
    106,359.15x = 16,858,029,239.40
  5. Step 5: Solve for x
    x = 16,858,029,239.40/106,359.15
  6. Step 6: Final answer
    x = 158,500.98

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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.