Home / 111,030.20-166,545.30-110,252.60

Finding the Fourth Proportional to 111,030.20, 166,545.30 and 110,252.60

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Solution

The fourth proportional to 111,030.20, 166,545.30 and 110,252.60 is: 165,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,030.20 : 166,545.30 = 110,252.60 : x
  2. Step 2: Convert to fraction form
    111,030.20/166,545.30 = 110,252.60/x
  3. Step 3: Cross multiply
    111,030.20x = 166,545.30 × 110,252.60
  4. Step 4: Simplify right side
    111,030.20x = 18,362,052,342.78
  5. Step 5: Solve for x
    x = 18,362,052,342.78/111,030.20
  6. Step 6: Final answer
    x = 165,378.90

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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.