Home / 190,000.86-285,222.17-111,171.66

Finding the Fourth Proportional to 190,000.86, 285,222.17 and 111,171.66

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Solution

The fourth proportional to 190,000.86, 285,222.17 and 111,171.66 is: 166,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,000.86 : 285,222.17 = 111,171.66 : x
  2. Step 2: Convert to fraction form
    190,000.86/285,222.17 = 111,171.66/x
  3. Step 3: Cross multiply
    190,000.86x = 285,222.17 × 111,171.66
  4. Step 4: Simplify right side
    190,000.86x = 31,708,622,107.70
  5. Step 5: Solve for x
    x = 31,708,622,107.70/190,000.86
  6. Step 6: Final answer
    x = 166,886.73

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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.