Home / 130,705.31-196,042.37-35,945.12

Finding the Fourth Proportional to 130,705.31, 196,042.37 and 35,945.12

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Solution

The fourth proportional to 130,705.31, 196,042.37 and 35,945.12 is: 53,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,705.31 : 196,042.37 = 35,945.12 : x
  2. Step 2: Convert to fraction form
    130,705.31/196,042.37 = 35,945.12/x
  3. Step 3: Cross multiply
    130,705.31x = 196,042.37 × 35,945.12
  4. Step 4: Simplify right side
    130,705.31x = 7,046,765,354.80
  5. Step 5: Solve for x
    x = 7,046,765,354.80/130,705.31
  6. Step 6: Final answer
    x = 53,913.38

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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.