Home / 106,234.02-159,329.88-68,170.74

Finding the Fourth Proportional to 106,234.02, 159,329.88 and 68,170.74

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Solution

The fourth proportional to 106,234.02, 159,329.88 and 68,170.74 is: 102,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,234.02 : 159,329.88 = 68,170.74 : x
  2. Step 2: Convert to fraction form
    106,234.02/159,329.88 = 68,170.74/x
  3. Step 3: Cross multiply
    106,234.02x = 159,329.88 × 68,170.74
  4. Step 4: Simplify right side
    106,234.02x = 10,861,635,823.71
  5. Step 5: Solve for x
    x = 10,861,635,823.71/106,234.02
  6. Step 6: Final answer
    x = 102,242.54

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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.