Home / 116,020.20-174,235.10-84,890.60

Finding the Fourth Proportional to 116,020.20, 174,235.10 and 84,890.60

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Solution

The fourth proportional to 116,020.20, 174,235.10 and 84,890.60 is: 127,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,020.20 : 174,235.10 = 84,890.60 : x
  2. Step 2: Convert to fraction form
    116,020.20/174,235.10 = 84,890.60/x
  3. Step 3: Cross multiply
    116,020.20x = 174,235.10 × 84,890.60
  4. Step 4: Simplify right side
    116,020.20x = 14,790,922,180.06
  5. Step 5: Solve for x
    x = 14,790,922,180.06/116,020.20
  6. Step 6: Final answer
    x = 127,485.75

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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.