Home / 190,690.98-263,152.71-105,807.84

Finding the Fourth Proportional to 190,690.98, 263,152.71 and 105,807.84

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Solution

The fourth proportional to 190,690.98, 263,152.71 and 105,807.84 is: 146,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.98 : 263,152.71 = 105,807.84 : x
  2. Step 2: Convert to fraction form
    190,690.98/263,152.71 = 105,807.84/x
  3. Step 3: Cross multiply
    190,690.98x = 263,152.71 × 105,807.84
  4. Step 4: Simplify right side
    190,690.98x = 27,843,619,835.25
  5. Step 5: Solve for x
    x = 27,843,619,835.25/190,690.98
  6. Step 6: Final answer
    x = 146,014.35

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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.