Home / 113,431.11-170,033.96-54,197.63

Finding the Fourth Proportional to 113,431.11, 170,033.96 and 54,197.63

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Solution

The fourth proportional to 113,431.11, 170,033.96 and 54,197.63 is: 81,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,431.11 : 170,033.96 = 54,197.63 : x
  2. Step 2: Convert to fraction form
    113,431.11/170,033.96 = 54,197.63/x
  3. Step 3: Cross multiply
    113,431.11x = 170,033.96 × 54,197.63
  4. Step 4: Simplify right side
    113,431.11x = 9,215,436,530.36
  5. Step 5: Solve for x
    x = 9,215,436,530.36/113,431.11
  6. Step 6: Final answer
    x = 81,242.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.