Home / 112,299.08-154,788.08-79,604.44

Finding the Fourth Proportional to 112,299.08, 154,788.08 and 79,604.44

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Solution

The fourth proportional to 112,299.08, 154,788.08 and 79,604.44 is: 109,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,299.08 : 154,788.08 = 79,604.44 : x
  2. Step 2: Convert to fraction form
    112,299.08/154,788.08 = 79,604.44/x
  3. Step 3: Cross multiply
    112,299.08x = 154,788.08 × 79,604.44
  4. Step 4: Simplify right side
    112,299.08x = 12,321,818,427.08
  5. Step 5: Solve for x
    x = 12,321,818,427.08/112,299.08
  6. Step 6: Final answer
    x = 109,723.24

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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.