Home / 113,126.37-169,431.21-54,003.57

Finding the Fourth Proportional to 113,126.37, 169,431.21 and 54,003.57

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Solution

The fourth proportional to 113,126.37, 169,431.21 and 54,003.57 is: 80,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,126.37 : 169,431.21 = 54,003.57 : x
  2. Step 2: Convert to fraction form
    113,126.37/169,431.21 = 54,003.57/x
  3. Step 3: Cross multiply
    113,126.37x = 169,431.21 × 54,003.57
  4. Step 4: Simplify right side
    113,126.37x = 9,149,890,209.42
  5. Step 5: Solve for x
    x = 9,149,890,209.42/113,126.37
  6. Step 6: Final answer
    x = 80,882.03

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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.