Home / 132,003.12-182,163.15-74,653.68

Finding the Fourth Proportional to 132,003.12, 182,163.15 and 74,653.68

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Solution

The fourth proportional to 132,003.12, 182,163.15 and 74,653.68 is: 103,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.12 : 182,163.15 = 74,653.68 : x
  2. Step 2: Convert to fraction form
    132,003.12/182,163.15 = 74,653.68/x
  3. Step 3: Cross multiply
    132,003.12x = 182,163.15 × 74,653.68
  4. Step 4: Simplify right side
    132,003.12x = 13,599,149,507.89
  5. Step 5: Solve for x
    x = 13,599,149,507.89/132,003.12
  6. Step 6: Final answer
    x = 103,021.42

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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.