Home / 190,728.84-263,176.56-114,230.01

Finding the Fourth Proportional to 190,728.84, 263,176.56 and 114,230.01

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Solution

The fourth proportional to 190,728.84, 263,176.56 and 114,230.01 is: 157,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,728.84 : 263,176.56 = 114,230.01 : x
  2. Step 2: Convert to fraction form
    190,728.84/263,176.56 = 114,230.01/x
  3. Step 3: Cross multiply
    190,728.84x = 263,176.56 × 114,230.01
  4. Step 4: Simplify right side
    190,728.84x = 30,062,661,080.57
  5. Step 5: Solve for x
    x = 30,062,661,080.57/190,728.84
  6. Step 6: Final answer
    x = 157,619.90

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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.