Home / 122,433.40-183,455.70-102,604.60

Finding the Fourth Proportional to 122,433.40, 183,455.70 and 102,604.60

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Solution

The fourth proportional to 122,433.40, 183,455.70 and 102,604.60 is: 153,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,433.40 : 183,455.70 = 102,604.60 : x
  2. Step 2: Convert to fraction form
    122,433.40/183,455.70 = 102,604.60/x
  3. Step 3: Cross multiply
    122,433.40x = 183,455.70 × 102,604.60
  4. Step 4: Simplify right side
    122,433.40x = 18,823,398,716.22
  5. Step 5: Solve for x
    x = 18,823,398,716.22/122,433.40
  6. Step 6: Final answer
    x = 153,743.98

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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.