Home / 190,568.48-262,977.88-105,693.44

Finding the Fourth Proportional to 190,568.48, 262,977.88 and 105,693.44

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Solution

The fourth proportional to 190,568.48, 262,977.88 and 105,693.44 is: 145,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,568.48 : 262,977.88 = 105,693.44 : x
  2. Step 2: Convert to fraction form
    190,568.48/262,977.88 = 105,693.44/x
  3. Step 3: Cross multiply
    190,568.48x = 262,977.88 × 105,693.44
  4. Step 4: Simplify right side
    190,568.48x = 27,795,036,781.11
  5. Step 5: Solve for x
    x = 27,795,036,781.11/190,568.48
  6. Step 6: Final answer
    x = 145,853.27

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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.