Home / 195,739.96-293,639.10-90,569.56

Finding the Fourth Proportional to 195,739.96, 293,639.10 and 90,569.56

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Solution

The fourth proportional to 195,739.96, 293,639.10 and 90,569.56 is: 135,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,739.96 : 293,639.10 = 90,569.56 : x
  2. Step 2: Convert to fraction form
    195,739.96/293,639.10 = 90,569.56/x
  3. Step 3: Cross multiply
    195,739.96x = 293,639.10 × 90,569.56
  4. Step 4: Simplify right side
    195,739.96x = 26,594,764,085.80
  5. Step 5: Solve for x
    x = 26,594,764,085.80/195,739.96
  6. Step 6: Final answer
    x = 135,867.83

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1.5x scale

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.