Home / 122,970.56-184,324.44-87,803.60

Finding the Fourth Proportional to 122,970.56, 184,324.44 and 87,803.60

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Solution

The fourth proportional to 122,970.56, 184,324.44 and 87,803.60 is: 131,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,970.56 : 184,324.44 = 87,803.60 : x
  2. Step 2: Convert to fraction form
    122,970.56/184,324.44 = 87,803.60/x
  3. Step 3: Cross multiply
    122,970.56x = 184,324.44 × 87,803.60
  4. Step 4: Simplify right side
    122,970.56x = 16,184,349,399.98
  5. Step 5: Solve for x
    x = 16,184,349,399.98/122,970.56
  6. Step 6: Final answer
    x = 131,611.58

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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.