Home / 195,612.82-293,528.23-105,653.72

Finding the Fourth Proportional to 195,612.82, 293,528.23 and 105,653.72

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Solution

The fourth proportional to 195,612.82, 293,528.23 and 105,653.72 is: 158,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,612.82 : 293,528.23 = 105,653.72 : x
  2. Step 2: Convert to fraction form
    195,612.82/293,528.23 = 105,653.72/x
  3. Step 3: Cross multiply
    195,612.82x = 293,528.23 × 105,653.72
  4. Step 4: Simplify right side
    195,612.82x = 31,012,348,540.26
  5. Step 5: Solve for x
    x = 31,012,348,540.26/195,612.82
  6. Step 6: Final answer
    x = 158,539.45

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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.