Home / 122,074.24-183,112.32-43,188.80

Finding the Fourth Proportional to 122,074.24, 183,112.32 and 43,188.80

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Solution

The fourth proportional to 122,074.24, 183,112.32 and 43,188.80 is: 64,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,074.24 : 183,112.32 = 43,188.80 : x
  2. Step 2: Convert to fraction form
    122,074.24/183,112.32 = 43,188.80/x
  3. Step 3: Cross multiply
    122,074.24x = 183,112.32 × 43,188.80
  4. Step 4: Simplify right side
    122,074.24x = 7,908,401,366.02
  5. Step 5: Solve for x
    x = 7,908,401,366.02/122,074.24
  6. Step 6: Final answer
    x = 64,783.54

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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.