Home / 111,775.50-167,663.67-106,169.49

Finding the Fourth Proportional to 111,775.50, 167,663.67 and 106,169.49

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Solution

The fourth proportional to 111,775.50, 167,663.67 and 106,169.49 is: 159,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775.50 : 167,663.67 = 106,169.49 : x
  2. Step 2: Convert to fraction form
    111,775.50/167,663.67 = 106,169.49/x
  3. Step 3: Cross multiply
    111,775.50x = 167,663.67 × 106,169.49
  4. Step 4: Simplify right side
    111,775.50x = 17,800,766,335.43
  5. Step 5: Solve for x
    x = 17,800,766,335.43/111,775.50
  6. Step 6: Final answer
    x = 159,254.63

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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.