Home / 111,294.20-166,941.30-69,822.20

Finding the Fourth Proportional to 111,294.20, 166,941.30 and 69,822.20

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Solution

The fourth proportional to 111,294.20, 166,941.30 and 69,822.20 is: 104,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,294.20 : 166,941.30 = 69,822.20 : x
  2. Step 2: Convert to fraction form
    111,294.20/166,941.30 = 69,822.20/x
  3. Step 3: Cross multiply
    111,294.20x = 166,941.30 × 69,822.20
  4. Step 4: Simplify right side
    111,294.20x = 11,656,208,836.86
  5. Step 5: Solve for x
    x = 11,656,208,836.86/111,294.20
  6. Step 6: Final answer
    x = 104,733.30

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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.