Home / 190,211.96-285,317.26-57,091.64

Finding the Fourth Proportional to 190,211.96, 285,317.26 and 57,091.64

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Solution

The fourth proportional to 190,211.96, 285,317.26 and 57,091.64 is: 85,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,211.96 : 285,317.26 = 57,091.64 : x
  2. Step 2: Convert to fraction form
    190,211.96/285,317.26 = 57,091.64/x
  3. Step 3: Cross multiply
    190,211.96x = 285,317.26 × 57,091.64
  4. Step 4: Simplify right side
    190,211.96x = 16,289,230,293.71
  5. Step 5: Solve for x
    x = 16,289,230,293.71/190,211.96
  6. Step 6: Final answer
    x = 85,637.26

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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.