Home / 445,725.12-668,846.88-179,509.44

Finding the Fourth Proportional to 445,725.12, 668,846.88 and 179,509.44

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Solution

The fourth proportional to 445,725.12, 668,846.88 and 179,509.44 is: 269,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,725.12 : 668,846.88 = 179,509.44 : x
  2. Step 2: Convert to fraction form
    445,725.12/668,846.88 = 179,509.44/x
  3. Step 3: Cross multiply
    445,725.12x = 668,846.88 × 179,509.44
  4. Step 4: Simplify right side
    445,725.12x = 120,064,328,874.55
  5. Step 5: Solve for x
    x = 120,064,328,874.55/445,725.12
  6. Step 6: Final answer
    x = 269,368.55

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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.