Home / 190,855.51-263,392.46-105,973.18

Finding the Fourth Proportional to 190,855.51, 263,392.46 and 105,973.18

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Solution

The fourth proportional to 190,855.51, 263,392.46 and 105,973.18 is: 146,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,855.51 : 263,392.46 = 105,973.18 : x
  2. Step 2: Convert to fraction form
    190,855.51/263,392.46 = 105,973.18/x
  3. Step 3: Cross multiply
    190,855.51x = 263,392.46 × 105,973.18
  4. Step 4: Simplify right side
    190,855.51x = 27,912,535,783.28
  5. Step 5: Solve for x
    x = 27,912,535,783.28/190,855.51
  6. Step 6: Final answer
    x = 146,249.57

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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.