Home / 190,540.89-262,946.44-105,657.96

Finding the Fourth Proportional to 190,540.89, 262,946.44 and 105,657.96

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Solution

The fourth proportional to 190,540.89, 262,946.44 and 105,657.96 is: 145,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,540.89 : 262,946.44 = 105,657.96 : x
  2. Step 2: Convert to fraction form
    190,540.89/262,946.44 = 105,657.96/x
  3. Step 3: Cross multiply
    190,540.89x = 262,946.44 × 105,657.96
  4. Step 4: Simplify right side
    190,540.89x = 27,782,382,596.64
  5. Step 5: Solve for x
    x = 27,782,382,596.64/190,540.89
  6. Step 6: Final answer
    x = 145,807.98

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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.