Home / 522,219.45-783,245.09-143,051.57

Finding the Fourth Proportional to 522,219.45, 783,245.09 and 143,051.57

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Solution

The fourth proportional to 522,219.45, 783,245.09 and 143,051.57 is: 214,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,219.45 : 783,245.09 = 143,051.57 : x
  2. Step 2: Convert to fraction form
    522,219.45/783,245.09 = 143,051.57/x
  3. Step 3: Cross multiply
    522,219.45x = 783,245.09 × 143,051.57
  4. Step 4: Simplify right side
    522,219.45x = 112,044,439,197.86
  5. Step 5: Solve for x
    x = 112,044,439,197.86/522,219.45
  6. Step 6: Final answer
    x = 214,554.32

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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.