Home / 190,199.07-285,345.99-57,081.78

Finding the Fourth Proportional to 190,199.07, 285,345.99 and 57,081.78

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Solution

The fourth proportional to 190,199.07, 285,345.99 and 57,081.78 is: 85,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199.07 : 285,345.99 = 57,081.78 : x
  2. Step 2: Convert to fraction form
    190,199.07/285,345.99 = 57,081.78/x
  3. Step 3: Cross multiply
    190,199.07x = 285,345.99 × 57,081.78
  4. Step 4: Simplify right side
    190,199.07x = 16,288,057,025.06
  5. Step 5: Solve for x
    x = 16,288,057,025.06/190,199.07
  6. Step 6: Final answer
    x = 85,636.89

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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.