Home / 133,977.68-184,851.33-86,258.66

Finding the Fourth Proportional to 133,977.68, 184,851.33 and 86,258.66

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Solution

The fourth proportional to 133,977.68, 184,851.33 and 86,258.66 is: 119,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,977.68 : 184,851.33 = 86,258.66 : x
  2. Step 2: Convert to fraction form
    133,977.68/184,851.33 = 86,258.66/x
  3. Step 3: Cross multiply
    133,977.68x = 184,851.33 × 86,258.66
  4. Step 4: Simplify right side
    133,977.68x = 15,945,028,025.02
  5. Step 5: Solve for x
    x = 15,945,028,025.02/133,977.68
  6. Step 6: Final answer
    x = 119,012.57

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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.