Home / 111,401.74-166,908.12-92,801.26

Finding the Fourth Proportional to 111,401.74, 166,908.12 and 92,801.26

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Solution

The fourth proportional to 111,401.74, 166,908.12 and 92,801.26 is: 139,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,401.74 : 166,908.12 = 92,801.26 : x
  2. Step 2: Convert to fraction form
    111,401.74/166,908.12 = 92,801.26/x
  3. Step 3: Cross multiply
    111,401.74x = 166,908.12 × 92,801.26
  4. Step 4: Simplify right side
    111,401.74x = 15,489,283,840.23
  5. Step 5: Solve for x
    x = 15,489,283,840.23/111,401.74
  6. Step 6: Final answer
    x = 139,039.87

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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.