Home / 190,080.78-262,283.22-115,450.38

Finding the Fourth Proportional to 190,080.78, 262,283.22 and 115,450.38

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Solution

The fourth proportional to 190,080.78, 262,283.22 and 115,450.38 is: 159,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,080.78 : 262,283.22 = 115,450.38 : x
  2. Step 2: Convert to fraction form
    190,080.78/262,283.22 = 115,450.38/x
  3. Step 3: Cross multiply
    190,080.78x = 262,283.22 × 115,450.38
  4. Step 4: Simplify right side
    190,080.78x = 30,280,697,416.62
  5. Step 5: Solve for x
    x = 30,280,697,416.62/190,080.78
  6. Step 6: Final answer
    x = 159,304.36

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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.