Home / 134,917.00-186,181.75-74,486.54

Finding the Fourth Proportional to 134,917.00, 186,181.75 and 74,486.54

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Solution

The fourth proportional to 134,917.00, 186,181.75 and 74,486.54 is: 102,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,917.00 : 186,181.75 = 74,486.54 : x
  2. Step 2: Convert to fraction form
    134,917.00/186,181.75 = 74,486.54/x
  3. Step 3: Cross multiply
    134,917.00x = 186,181.75 × 74,486.54
  4. Step 4: Simplify right side
    134,917.00x = 13,868,034,647.88
  5. Step 5: Solve for x
    x = 13,868,034,647.88/134,917.00
  6. Step 6: Final answer
    x = 102,789.38

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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.