Home / 190,619.19-263,085.98-105,763.59

Finding the Fourth Proportional to 190,619.19, 263,085.98 and 105,763.59

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Solution

The fourth proportional to 190,619.19, 263,085.98 and 105,763.59 is: 145,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,619.19 : 263,085.98 = 105,763.59 : x
  2. Step 2: Convert to fraction form
    190,619.19/263,085.98 = 105,763.59/x
  3. Step 3: Cross multiply
    190,619.19x = 263,085.98 × 105,763.59
  4. Step 4: Simplify right side
    190,619.19x = 27,824,917,194.65
  5. Step 5: Solve for x
    x = 27,824,917,194.65/190,619.19
  6. Step 6: Final answer
    x = 145,971.23

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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.