Home / 190,690.26-263,152.71-105,807.26

Finding the Fourth Proportional to 190,690.26, 263,152.71 and 105,807.26

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Solution

The fourth proportional to 190,690.26, 263,152.71 and 105,807.26 is: 146,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.26 : 263,152.71 = 105,807.26 : x
  2. Step 2: Convert to fraction form
    190,690.26/263,152.71 = 105,807.26/x
  3. Step 3: Cross multiply
    190,690.26x = 263,152.71 × 105,807.26
  4. Step 4: Simplify right side
    190,690.26x = 27,843,465,890.91
  5. Step 5: Solve for x
    x = 27,843,465,890.91/190,690.26
  6. Step 6: Final answer
    x = 146,014.10

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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.