Home / 190,901.72-263,450.40-114,395.60

Finding the Fourth Proportional to 190,901.72, 263,450.40 and 114,395.60

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Solution

The fourth proportional to 190,901.72, 263,450.40 and 114,395.60 is: 157,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,901.72 : 263,450.40 = 114,395.60 : x
  2. Step 2: Convert to fraction form
    190,901.72/263,450.40 = 114,395.60/x
  3. Step 3: Cross multiply
    190,901.72x = 263,450.40 × 114,395.60
  4. Step 4: Simplify right side
    190,901.72x = 30,137,566,578.24
  5. Step 5: Solve for x
    x = 30,137,566,578.24/190,901.72
  6. Step 6: Final answer
    x = 157,869.54

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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.