Home / 112,797.29-169,145.35-67,226.51

Finding the Fourth Proportional to 112,797.29, 169,145.35 and 67,226.51

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Solution

The fourth proportional to 112,797.29, 169,145.35 and 67,226.51 is: 100,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,797.29 : 169,145.35 = 67,226.51 : x
  2. Step 2: Convert to fraction form
    112,797.29/169,145.35 = 67,226.51/x
  3. Step 3: Cross multiply
    112,797.29x = 169,145.35 × 67,226.51
  4. Step 4: Simplify right side
    112,797.29x = 11,371,051,818.03
  5. Step 5: Solve for x
    x = 11,371,051,818.03/112,797.29
  6. Step 6: Final answer
    x = 100,809.62

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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.