Home / 133,599.78-184,602.24-105,145.56

Finding the Fourth Proportional to 133,599.78, 184,602.24 and 105,145.56

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Solution

The fourth proportional to 133,599.78, 184,602.24 and 105,145.56 is: 145,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,599.78 : 184,602.24 = 105,145.56 : x
  2. Step 2: Convert to fraction form
    133,599.78/184,602.24 = 105,145.56/x
  3. Step 3: Cross multiply
    133,599.78x = 184,602.24 × 105,145.56
  4. Step 4: Simplify right side
    133,599.78x = 19,410,105,902.05
  5. Step 5: Solve for x
    x = 19,410,105,902.05/133,599.78
  6. Step 6: Final answer
    x = 145,285.46

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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.