Home / 190,067.94-262,301.99-105,185.03

Finding the Fourth Proportional to 190,067.94, 262,301.99 and 105,185.03

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Solution

The fourth proportional to 190,067.94, 262,301.99 and 105,185.03 is: 145,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,067.94 : 262,301.99 = 105,185.03 : x
  2. Step 2: Convert to fraction form
    190,067.94/262,301.99 = 105,185.03/x
  3. Step 3: Cross multiply
    190,067.94x = 262,301.99 × 105,185.03
  4. Step 4: Simplify right side
    190,067.94x = 27,590,240,849.77
  5. Step 5: Solve for x
    x = 27,590,240,849.77/190,067.94
  6. Step 6: Final answer
    x = 145,159.89

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1.5x scale

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.