Home / 133,541.56-184,287.78-73,112.68

Finding the Fourth Proportional to 133,541.56, 184,287.78 and 73,112.68

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Solution

The fourth proportional to 133,541.56, 184,287.78 and 73,112.68 is: 100,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,541.56 : 184,287.78 = 73,112.68 : x
  2. Step 2: Convert to fraction form
    133,541.56/184,287.78 = 73,112.68/x
  3. Step 3: Cross multiply
    133,541.56x = 184,287.78 × 73,112.68
  4. Step 4: Simplify right side
    133,541.56x = 13,473,773,487.05
  5. Step 5: Solve for x
    x = 13,473,773,487.05/133,541.56
  6. Step 6: Final answer
    x = 100,895.73

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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.