Home / 190,589.85-285,911.15-64,266.26

Finding the Fourth Proportional to 190,589.85, 285,911.15 and 64,266.26

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Solution

The fourth proportional to 190,589.85, 285,911.15 and 64,266.26 is: 96,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,589.85 : 285,911.15 = 64,266.26 : x
  2. Step 2: Convert to fraction form
    190,589.85/285,911.15 = 64,266.26/x
  3. Step 3: Cross multiply
    190,589.85x = 285,911.15 × 64,266.26
  4. Step 4: Simplify right side
    190,589.85x = 18,374,438,551.91
  5. Step 5: Solve for x
    x = 18,374,438,551.91/190,589.85
  6. Step 6: Final answer
    x = 96,408.27

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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.