Home / 190,896.68-263,430.21-106,019.21

Finding the Fourth Proportional to 190,896.68, 263,430.21 and 106,019.21

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Solution

The fourth proportional to 190,896.68, 263,430.21 and 106,019.21 is: 146,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,896.68 : 263,430.21 = 106,019.21 : x
  2. Step 2: Convert to fraction form
    190,896.68/263,430.21 = 106,019.21/x
  3. Step 3: Cross multiply
    190,896.68x = 263,430.21 × 106,019.21
  4. Step 4: Simplify right side
    190,896.68x = 27,928,663,412.91
  5. Step 5: Solve for x
    x = 27,928,663,412.91/190,896.68
  6. Step 6: Final answer
    x = 146,302.51

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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.