Home / 159,240.92-219,727.38-91,244.81

Finding the Fourth Proportional to 159,240.92, 219,727.38 and 91,244.81

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Solution

The fourth proportional to 159,240.92, 219,727.38 and 91,244.81 is: 125,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,240.92 : 219,727.38 = 91,244.81 : x
  2. Step 2: Convert to fraction form
    159,240.92/219,727.38 = 91,244.81/x
  3. Step 3: Cross multiply
    159,240.92x = 219,727.38 × 91,244.81
  4. Step 4: Simplify right side
    159,240.92x = 20,048,981,941.26
  5. Step 5: Solve for x
    x = 20,048,981,941.26/159,240.92
  6. Step 6: Final answer
    x = 125,903.46

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1.5x scale

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.