Home / 190,804.72-263,282.52-105,922.48

Finding the Fourth Proportional to 190,804.72, 263,282.52 and 105,922.48

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Solution

The fourth proportional to 190,804.72, 263,282.52 and 105,922.48 is: 146,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,804.72 : 263,282.52 = 105,922.48 : x
  2. Step 2: Convert to fraction form
    190,804.72/263,282.52 = 105,922.48/x
  3. Step 3: Cross multiply
    190,804.72x = 263,282.52 × 105,922.48
  4. Step 4: Simplify right side
    190,804.72x = 27,887,537,459.05
  5. Step 5: Solve for x
    x = 27,887,537,459.05/190,804.72
  6. Step 6: Final answer
    x = 146,157.48

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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.