Home / 112,193.49-154,512.06-109,744.05

Finding the Fourth Proportional to 112,193.49, 154,512.06 and 109,744.05

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Solution

The fourth proportional to 112,193.49, 154,512.06 and 109,744.05 is: 151,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,193.49 : 154,512.06 = 109,744.05 : x
  2. Step 2: Convert to fraction form
    112,193.49/154,512.06 = 109,744.05/x
  3. Step 3: Cross multiply
    112,193.49x = 154,512.06 × 109,744.05
  4. Step 4: Simplify right side
    112,193.49x = 16,956,779,238.24
  5. Step 5: Solve for x
    x = 16,956,779,238.24/112,193.49
  6. Step 6: Final answer
    x = 151,138.71

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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.