Home / 189,183.44-261,120.84-113,776.40

Finding the Fourth Proportional to 189,183.44, 261,120.84 and 113,776.40

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Solution

The fourth proportional to 189,183.44, 261,120.84 and 113,776.40 is: 157,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,183.44 : 261,120.84 = 113,776.40 : x
  2. Step 2: Convert to fraction form
    189,183.44/261,120.84 = 113,776.40/x
  3. Step 3: Cross multiply
    189,183.44x = 261,120.84 × 113,776.40
  4. Step 4: Simplify right side
    189,183.44x = 29,709,389,140.18
  5. Step 5: Solve for x
    x = 29,709,389,140.18/189,183.44
  6. Step 6: Final answer
    x = 157,040.11

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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.