Home / 269,106.17-403,732.12-100,643.61

Finding the Fourth Proportional to 269,106.17, 403,732.12 and 100,643.61

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Solution

The fourth proportional to 269,106.17, 403,732.12 and 100,643.61 is: 150,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,106.17 : 403,732.12 = 100,643.61 : x
  2. Step 2: Convert to fraction form
    269,106.17/403,732.12 = 100,643.61/x
  3. Step 3: Cross multiply
    269,106.17x = 403,732.12 × 100,643.61
  4. Step 4: Simplify right side
    269,106.17x = 40,633,058,029.75
  5. Step 5: Solve for x
    x = 40,633,058,029.75/269,106.17
  6. Step 6: Final answer
    x = 150,992.67

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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.