Home / 106,364.40-159,676.20-105,586.80

Finding the Fourth Proportional to 106,364.40, 159,676.20 and 105,586.80

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Solution

The fourth proportional to 106,364.40, 159,676.20 and 105,586.80 is: 158,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,364.40 : 159,676.20 = 105,586.80 : x
  2. Step 2: Convert to fraction form
    106,364.40/159,676.20 = 105,586.80/x
  3. Step 3: Cross multiply
    106,364.40x = 159,676.20 × 105,586.80
  4. Step 4: Simplify right side
    106,364.40x = 16,859,698,994.16
  5. Step 5: Solve for x
    x = 16,859,698,994.16/106,364.40
  6. Step 6: Final answer
    x = 158,508.85

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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.