Home / 122,431.40-183,647.10-82,773.80

Finding the Fourth Proportional to 122,431.40, 183,647.10 and 82,773.80

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Solution

The fourth proportional to 122,431.40, 183,647.10 and 82,773.80 is: 124,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,431.40 : 183,647.10 = 82,773.80 : x
  2. Step 2: Convert to fraction form
    122,431.40/183,647.10 = 82,773.80/x
  3. Step 3: Cross multiply
    122,431.40x = 183,647.10 × 82,773.80
  4. Step 4: Simplify right side
    122,431.40x = 15,201,168,325.98
  5. Step 5: Solve for x
    x = 15,201,168,325.98/122,431.40
  6. Step 6: Final answer
    x = 124,160.70

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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.