Home / 112,797.09-169,145.07-67,226.33

Finding the Fourth Proportional to 112,797.09, 169,145.07 and 67,226.33

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Solution

The fourth proportional to 112,797.09, 169,145.07 and 67,226.33 is: 100,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,797.09 : 169,145.07 = 67,226.33 : x
  2. Step 2: Convert to fraction form
    112,797.09/169,145.07 = 67,226.33/x
  3. Step 3: Cross multiply
    112,797.09x = 169,145.07 × 67,226.33
  4. Step 4: Simplify right side
    112,797.09x = 11,371,001,447.97
  5. Step 5: Solve for x
    x = 11,371,001,447.97/112,797.09
  6. Step 6: Final answer
    x = 100,809.35

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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.