Home / 190,744.32-263,214.72-105,857.28

Finding the Fourth Proportional to 190,744.32, 263,214.72 and 105,857.28

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Solution

The fourth proportional to 190,744.32, 263,214.72 and 105,857.28 is: 146,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,744.32 : 263,214.72 = 105,857.28 : x
  2. Step 2: Convert to fraction form
    190,744.32/263,214.72 = 105,857.28/x
  3. Step 3: Cross multiply
    190,744.32x = 263,214.72 × 105,857.28
  4. Step 4: Simplify right side
    190,744.32x = 27,863,194,315.16
  5. Step 5: Solve for x
    x = 27,863,194,315.16/190,744.32
  6. Step 6: Final answer
    x = 146,076.14

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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.