Home / 195,653.09-293,432.38-81,739.34

Finding the Fourth Proportional to 195,653.09, 293,432.38 and 81,739.34

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Solution

The fourth proportional to 195,653.09, 293,432.38 and 81,739.34 is: 122,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,653.09 : 293,432.38 = 81,739.34 : x
  2. Step 2: Convert to fraction form
    195,653.09/293,432.38 = 81,739.34/x
  3. Step 3: Cross multiply
    195,653.09x = 293,432.38 × 81,739.34
  4. Step 4: Simplify right side
    195,653.09x = 23,984,969,075.83
  5. Step 5: Solve for x
    x = 23,984,969,075.83/195,653.09
  6. Step 6: Final answer
    x = 122,589.27

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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.