Home / 133,820.28-184,662.81-73,389.60

Finding the Fourth Proportional to 133,820.28, 184,662.81 and 73,389.60

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Solution

The fourth proportional to 133,820.28, 184,662.81 and 73,389.60 is: 101,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,820.28 : 184,662.81 = 73,389.60 : x
  2. Step 2: Convert to fraction form
    133,820.28/184,662.81 = 73,389.60/x
  3. Step 3: Cross multiply
    133,820.28x = 184,662.81 × 73,389.60
  4. Step 4: Simplify right side
    133,820.28x = 13,552,329,760.78
  5. Step 5: Solve for x
    x = 13,552,329,760.78/133,820.28
  6. Step 6: Final answer
    x = 101,272.62

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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.