Home / 133,768.68-184,535.46-112,540.20

Finding the Fourth Proportional to 133,768.68, 184,535.46 and 112,540.20

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Solution

The fourth proportional to 133,768.68, 184,535.46 and 112,540.20 is: 155,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,768.68 : 184,535.46 = 112,540.20 : x
  2. Step 2: Convert to fraction form
    133,768.68/184,535.46 = 112,540.20/x
  3. Step 3: Cross multiply
    133,768.68x = 184,535.46 × 112,540.20
  4. Step 4: Simplify right side
    133,768.68x = 20,767,657,575.49
  5. Step 5: Solve for x
    x = 20,767,657,575.49/133,768.68
  6. Step 6: Final answer
    x = 155,250.52

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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.