Home / 179,890.46-269,405.51-103,758.21

Finding the Fourth Proportional to 179,890.46, 269,405.51 and 103,758.21

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Solution

The fourth proportional to 179,890.46, 269,405.51 and 103,758.21 is: 155,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,890.46 : 269,405.51 = 103,758.21 : x
  2. Step 2: Convert to fraction form
    179,890.46/269,405.51 = 103,758.21/x
  3. Step 3: Cross multiply
    179,890.46x = 269,405.51 × 103,758.21
  4. Step 4: Simplify right side
    179,890.46x = 27,953,034,450.20
  5. Step 5: Solve for x
    x = 27,953,034,450.20/179,890.46
  6. Step 6: Final answer
    x = 155,389.20

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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.