Home / 190,716.93-263,201.81-105,834.20

Finding the Fourth Proportional to 190,716.93, 263,201.81 and 105,834.20

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Solution

The fourth proportional to 190,716.93, 263,201.81 and 105,834.20 is: 146,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,716.93 : 263,201.81 = 105,834.20 : x
  2. Step 2: Convert to fraction form
    190,716.93/263,201.81 = 105,834.20/x
  3. Step 3: Cross multiply
    190,716.93x = 263,201.81 × 105,834.20
  4. Step 4: Simplify right side
    190,716.93x = 27,855,751,154.72
  5. Step 5: Solve for x
    x = 27,855,751,154.72/190,716.93
  6. Step 6: Final answer
    x = 146,058.09

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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.