Home / 190,767.72-263,212.02-105,863.52

Finding the Fourth Proportional to 190,767.72, 263,212.02 and 105,863.52

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Solution

The fourth proportional to 190,767.72, 263,212.02 and 105,863.52 is: 146,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,767.72 : 263,212.02 = 105,863.52 : x
  2. Step 2: Convert to fraction form
    190,767.72/263,212.02 = 105,863.52/x
  3. Step 3: Cross multiply
    190,767.72x = 263,212.02 × 105,863.52
  4. Step 4: Simplify right side
    190,767.72x = 27,864,550,943.51
  5. Step 5: Solve for x
    x = 27,864,550,943.51/190,767.72
  6. Step 6: Final answer
    x = 146,065.34

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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.