Home / 122,382.43-183,626.26-66,262.64

Finding the Fourth Proportional to 122,382.43, 183,626.26 and 66,262.64

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Solution

The fourth proportional to 122,382.43, 183,626.26 and 66,262.64 is: 99,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,382.43 : 183,626.26 = 66,262.64 : x
  2. Step 2: Convert to fraction form
    122,382.43/183,626.26 = 66,262.64/x
  3. Step 3: Cross multiply
    122,382.43x = 183,626.26 × 66,262.64
  4. Step 4: Simplify right side
    122,382.43x = 12,167,559,677.14
  5. Step 5: Solve for x
    x = 12,167,559,677.14/122,382.43
  6. Step 6: Final answer
    x = 99,422.44

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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.