Home / 184,989.24-255,285.38-100,106.30

Finding the Fourth Proportional to 184,989.24, 255,285.38 and 100,106.30

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Solution

The fourth proportional to 184,989.24, 255,285.38 and 100,106.30 is: 138,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,989.24 : 255,285.38 = 100,106.30 : x
  2. Step 2: Convert to fraction form
    184,989.24/255,285.38 = 100,106.30/x
  3. Step 3: Cross multiply
    184,989.24x = 255,285.38 × 100,106.30
  4. Step 4: Simplify right side
    184,989.24x = 25,555,675,161.28
  5. Step 5: Solve for x
    x = 25,555,675,161.28/184,989.24
  6. Step 6: Final answer
    x = 138,146.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.