Home / 190,763.40-263,276.82-105,907.80

Finding the Fourth Proportional to 190,763.40, 263,276.82 and 105,907.80

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Solution

The fourth proportional to 190,763.40, 263,276.82 and 105,907.80 is: 146,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,763.40 : 263,276.82 = 105,907.80 : x
  2. Step 2: Convert to fraction form
    190,763.40/263,276.82 = 105,907.80/x
  3. Step 3: Cross multiply
    190,763.40x = 263,276.82 × 105,907.80
  4. Step 4: Simplify right side
    190,763.40x = 27,883,068,797.20
  5. Step 5: Solve for x
    x = 27,883,068,797.20/190,763.40
  6. Step 6: Final answer
    x = 146,165.72

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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.