Home / 190,569.48-262,979.26-105,694.44

Finding the Fourth Proportional to 190,569.48, 262,979.26 and 105,694.44

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Solution

The fourth proportional to 190,569.48, 262,979.26 and 105,694.44 is: 145,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,569.48 : 262,979.26 = 105,694.44 : x
  2. Step 2: Convert to fraction form
    190,569.48/262,979.26 = 105,694.44/x
  3. Step 3: Cross multiply
    190,569.48x = 262,979.26 × 105,694.44
  4. Step 4: Simplify right side
    190,569.48x = 27,795,445,617.31
  5. Step 5: Solve for x
    x = 27,795,445,617.31/190,569.48
  6. Step 6: Final answer
    x = 145,854.65

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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.