Home / 111,111.85-166,761.11-104,105.55

Finding the Fourth Proportional to 111,111.85, 166,761.11 and 104,105.55

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Solution

The fourth proportional to 111,111.85, 166,761.11 and 104,105.55 is: 156,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,111.85 : 166,761.11 = 104,105.55 : x
  2. Step 2: Convert to fraction form
    111,111.85/166,761.11 = 104,105.55/x
  3. Step 3: Cross multiply
    111,111.85x = 166,761.11 × 104,105.55
  4. Step 4: Simplify right side
    111,111.85x = 17,360,757,075.16
  5. Step 5: Solve for x
    x = 17,360,757,075.16/111,111.85
  6. Step 6: Final answer
    x = 156,245.77

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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.