Home / 184,955.45-255,238.83-100,072.53

Finding the Fourth Proportional to 184,955.45, 255,238.83 and 100,072.53

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Solution

The fourth proportional to 184,955.45, 255,238.83 and 100,072.53 is: 138,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,955.45 : 255,238.83 = 100,072.53 : x
  2. Step 2: Convert to fraction form
    184,955.45/255,238.83 = 100,072.53/x
  3. Step 3: Cross multiply
    184,955.45x = 255,238.83 × 100,072.53
  4. Step 4: Simplify right side
    184,955.45x = 25,542,395,472.34
  5. Step 5: Solve for x
    x = 25,542,395,472.34/184,955.45
  6. Step 6: Final answer
    x = 138,100.26

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1.5x scale

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.