Home / 132,047.56-182,166.66-78,334.84

Finding the Fourth Proportional to 132,047.56, 182,166.66 and 78,334.84

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Solution

The fourth proportional to 132,047.56, 182,166.66 and 78,334.84 is: 108,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,047.56 : 182,166.66 = 78,334.84 : x
  2. Step 2: Convert to fraction form
    132,047.56/182,166.66 = 78,334.84/x
  3. Step 3: Cross multiply
    132,047.56x = 182,166.66 × 78,334.84
  4. Step 4: Simplify right side
    132,047.56x = 14,269,996,164.43
  5. Step 5: Solve for x
    x = 14,269,996,164.43/132,047.56
  6. Step 6: Final answer
    x = 108,067.09

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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.