Home / 132,010.56-182,115.54-78,297.84

Finding the Fourth Proportional to 132,010.56, 182,115.54 and 78,297.84

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Solution

The fourth proportional to 132,010.56, 182,115.54 and 78,297.84 is: 108,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,010.56 : 182,115.54 = 78,297.84 : x
  2. Step 2: Convert to fraction form
    132,010.56/182,115.54 = 78,297.84/x
  3. Step 3: Cross multiply
    132,010.56x = 182,115.54 × 78,297.84
  4. Step 4: Simplify right side
    132,010.56x = 14,259,253,412.43
  5. Step 5: Solve for x
    x = 14,259,253,412.43/132,010.56
  6. Step 6: Final answer
    x = 108,016.01

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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.