Home / 190,456.23-285,648.21-95,661.03

Finding the Fourth Proportional to 190,456.23, 285,648.21 and 95,661.03

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Solution

The fourth proportional to 190,456.23, 285,648.21 and 95,661.03 is: 143,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,456.23 : 285,648.21 = 95,661.03 : x
  2. Step 2: Convert to fraction form
    190,456.23/285,648.21 = 95,661.03/x
  3. Step 3: Cross multiply
    190,456.23x = 285,648.21 × 95,661.03
  4. Step 4: Simplify right side
    190,456.23x = 27,325,401,986.26
  5. Step 5: Solve for x
    x = 27,325,401,986.26/190,456.23
  6. Step 6: Final answer
    x = 143,473.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.