Home / 130,974.22-196,462.70-104,845.06

Finding the Fourth Proportional to 130,974.22, 196,462.70 and 104,845.06

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Solution

The fourth proportional to 130,974.22, 196,462.70 and 104,845.06 is: 157,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,974.22 : 196,462.70 = 104,845.06 : x
  2. Step 2: Convert to fraction form
    130,974.22/196,462.70 = 104,845.06/x
  3. Step 3: Cross multiply
    130,974.22x = 196,462.70 × 104,845.06
  4. Step 4: Simplify right side
    130,974.22x = 20,598,142,062.72
  5. Step 5: Solve for x
    x = 20,598,142,062.72/130,974.22
  6. Step 6: Final answer
    x = 157,268.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.