Home / 122,311.15-183,466.73-102,628.15

Finding the Fourth Proportional to 122,311.15, 183,466.73 and 102,628.15

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Solution

The fourth proportional to 122,311.15, 183,466.73 and 102,628.15 is: 153,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,311.15 : 183,466.73 = 102,628.15 : x
  2. Step 2: Convert to fraction form
    122,311.15/183,466.73 = 102,628.15/x
  3. Step 3: Cross multiply
    122,311.15x = 183,466.73 × 102,628.15
  4. Step 4: Simplify right side
    122,311.15x = 18,828,850,573.31
  5. Step 5: Solve for x
    x = 18,828,850,573.31/122,311.15
  6. Step 6: Final answer
    x = 153,942.23

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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.