Home / 122,035.90-183,163.20-105,414.70

Finding the Fourth Proportional to 122,035.90, 183,163.20 and 105,414.70

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Solution

The fourth proportional to 122,035.90, 183,163.20 and 105,414.70 is: 158,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,035.90 : 183,163.20 = 105,414.70 : x
  2. Step 2: Convert to fraction form
    122,035.90/183,163.20 = 105,414.70/x
  3. Step 3: Cross multiply
    122,035.90x = 183,163.20 × 105,414.70
  4. Step 4: Simplify right side
    122,035.90x = 19,308,093,779.04
  5. Step 5: Solve for x
    x = 19,308,093,779.04/122,035.90
  6. Step 6: Final answer
    x = 158,216.51

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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.