Home / 184,936.57-255,212.57-128,380.75

Finding the Fourth Proportional to 184,936.57, 255,212.57 and 128,380.75

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Solution

The fourth proportional to 184,936.57, 255,212.57 and 128,380.75 is: 177,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,936.57 : 255,212.57 = 128,380.75 : x
  2. Step 2: Convert to fraction form
    184,936.57/255,212.57 = 128,380.75/x
  3. Step 3: Cross multiply
    184,936.57x = 255,212.57 × 128,380.75
  4. Step 4: Simplify right side
    184,936.57x = 32,764,380,828.95
  5. Step 5: Solve for x
    x = 32,764,380,828.95/184,936.57
  6. Step 6: Final answer
    x = 177,165.51

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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.