Home / 106,696.76-160,145.58-54,143.96

Finding the Fourth Proportional to 106,696.76, 160,145.58 and 54,143.96

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Solution

The fourth proportional to 106,696.76, 160,145.58 and 54,143.96 is: 81,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,696.76 : 160,145.58 = 54,143.96 : x
  2. Step 2: Convert to fraction form
    106,696.76/160,145.58 = 54,143.96/x
  3. Step 3: Cross multiply
    106,696.76x = 160,145.58 × 54,143.96
  4. Step 4: Simplify right side
    106,696.76x = 8,670,915,877.70
  5. Step 5: Solve for x
    x = 8,670,915,877.70/106,696.76
  6. Step 6: Final answer
    x = 81,266.91

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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.