Home / 188,771.04-260,445.36-107,085.84

Finding the Fourth Proportional to 188,771.04, 260,445.36 and 107,085.84

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Solution

The fourth proportional to 188,771.04, 260,445.36 and 107,085.84 is: 147,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,771.04 : 260,445.36 = 107,085.84 : x
  2. Step 2: Convert to fraction form
    188,771.04/260,445.36 = 107,085.84/x
  3. Step 3: Cross multiply
    188,771.04x = 260,445.36 × 107,085.84
  4. Step 4: Simplify right side
    188,771.04x = 27,890,010,149.70
  5. Step 5: Solve for x
    x = 27,890,010,149.70/188,771.04
  6. Step 6: Final answer
    x = 147,745.17

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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.