Home / 112,169.63-154,788.62-66,846.57

Finding the Fourth Proportional to 112,169.63, 154,788.62 and 66,846.57

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Solution

The fourth proportional to 112,169.63, 154,788.62 and 66,846.57 is: 92,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,169.63 : 154,788.62 = 66,846.57 : x
  2. Step 2: Convert to fraction form
    112,169.63/154,788.62 = 66,846.57/x
  3. Step 3: Cross multiply
    112,169.63x = 154,788.62 × 66,846.57
  4. Step 4: Simplify right side
    112,169.63x = 10,347,087,987.80
  5. Step 5: Solve for x
    x = 10,347,087,987.80/112,169.63
  6. Step 6: Final answer
    x = 92,245.01

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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.