Home / 132,788.04-183,236.22-76,198.20

Finding the Fourth Proportional to 132,788.04, 183,236.22 and 76,198.20

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Solution

The fourth proportional to 132,788.04, 183,236.22 and 76,198.20 is: 105,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.04 : 183,236.22 = 76,198.20 : x
  2. Step 2: Convert to fraction form
    132,788.04/183,236.22 = 76,198.20/x
  3. Step 3: Cross multiply
    132,788.04x = 183,236.22 × 76,198.20
  4. Step 4: Simplify right side
    132,788.04x = 13,962,270,138.80
  5. Step 5: Solve for x
    x = 13,962,270,138.80/132,788.04
  6. Step 6: Final answer
    x = 105,147.05

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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.