Home / 190,017.80-262,183.72-114,564.68

Finding the Fourth Proportional to 190,017.80, 262,183.72 and 114,564.68

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Solution

The fourth proportional to 190,017.80, 262,183.72 and 114,564.68 is: 158,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,017.80 : 262,183.72 = 114,564.68 : x
  2. Step 2: Convert to fraction form
    190,017.80/262,183.72 = 114,564.68/x
  3. Step 3: Cross multiply
    190,017.80x = 262,183.72 × 114,564.68
  4. Step 4: Simplify right side
    190,017.80x = 30,036,993,983.01
  5. Step 5: Solve for x
    x = 30,036,993,983.01/190,017.80
  6. Step 6: Final answer
    x = 158,074.63

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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.