Home / 190,788.44-263,274.86-105,898.82

Finding the Fourth Proportional to 190,788.44, 263,274.86 and 105,898.82

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Solution

The fourth proportional to 190,788.44, 263,274.86 and 105,898.82 is: 146,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,788.44 : 263,274.86 = 105,898.82 : x
  2. Step 2: Convert to fraction form
    190,788.44/263,274.86 = 105,898.82/x
  3. Step 3: Cross multiply
    190,788.44x = 263,274.86 × 105,898.82
  4. Step 4: Simplify right side
    190,788.44x = 27,880,497,009.67
  5. Step 5: Solve for x
    x = 27,880,497,009.67/190,788.44
  6. Step 6: Final answer
    x = 146,133.05

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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.