Home / 195,129.56-269,277.90-105,705.56

Finding the Fourth Proportional to 195,129.56, 269,277.90 and 105,705.56

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Solution

The fourth proportional to 195,129.56, 269,277.90 and 105,705.56 is: 145,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,129.56 : 269,277.90 = 105,705.56 : x
  2. Step 2: Convert to fraction form
    195,129.56/269,277.90 = 105,705.56/x
  3. Step 3: Cross multiply
    195,129.56x = 269,277.90 × 105,705.56
  4. Step 4: Simplify right side
    195,129.56x = 28,464,171,215.12
  5. Step 5: Solve for x
    x = 28,464,171,215.12/195,129.56
  6. Step 6: Final answer
    x = 145,873.19

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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.