Home / 188,644.04-260,313.23-111,107.60

Finding the Fourth Proportional to 188,644.04, 260,313.23 and 111,107.60

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Solution

The fourth proportional to 188,644.04, 260,313.23 and 111,107.60 is: 153,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,644.04 : 260,313.23 = 111,107.60 : x
  2. Step 2: Convert to fraction form
    188,644.04/260,313.23 = 111,107.60/x
  3. Step 3: Cross multiply
    188,644.04x = 260,313.23 × 111,107.60
  4. Step 4: Simplify right side
    188,644.04x = 28,922,776,376.44
  5. Step 5: Solve for x
    x = 28,922,776,376.44/188,644.04
  6. Step 6: Final answer
    x = 153,319.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.