Home / 190,209.96-285,314.26-57,089.64

Finding the Fourth Proportional to 190,209.96, 285,314.26 and 57,089.64

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Solution

The fourth proportional to 190,209.96, 285,314.26 and 57,089.64 is: 85,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.96 : 285,314.26 = 57,089.64 : x
  2. Step 2: Convert to fraction form
    190,209.96/285,314.26 = 57,089.64/x
  3. Step 3: Cross multiply
    190,209.96x = 285,314.26 × 57,089.64
  4. Step 4: Simplify right side
    190,209.96x = 16,288,488,390.27
  5. Step 5: Solve for x
    x = 16,288,488,390.27/190,209.96
  6. Step 6: Final answer
    x = 85,634.26

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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.