Home / 354,128.31-531,191.61-110,988

Finding the Fourth Proportional to 354,128.31, 531,191.61 and 110,988

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Solution

The fourth proportional to 354,128.31, 531,191.61 and 110,988 is: 166,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,128.31 : 531,191.61 = 110,988 : x
  2. Step 2: Convert to fraction form
    354,128.31/531,191.61 = 110,988/x
  3. Step 3: Cross multiply
    354,128.31x = 531,191.61 × 110,988
  4. Step 4: Simplify right side
    354,128.31x = 58,955,894,410.68
  5. Step 5: Solve for x
    x = 58,955,894,410.68/354,128.31
  6. Step 6: Final answer
    x = 166,481.73

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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.