Home / 188,770.96-260,445.29-107,085.74

Finding the Fourth Proportional to 188,770.96, 260,445.29 and 107,085.74

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Solution

The fourth proportional to 188,770.96, 260,445.29 and 107,085.74 is: 147,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,770.96 : 260,445.29 = 107,085.74 : x
  2. Step 2: Convert to fraction form
    188,770.96/260,445.29 = 107,085.74/x
  3. Step 3: Cross multiply
    188,770.96x = 260,445.29 × 107,085.74
  4. Step 4: Simplify right side
    188,770.96x = 27,889,976,724.85
  5. Step 5: Solve for x
    x = 27,889,976,724.85/188,770.96
  6. Step 6: Final answer
    x = 147,745.06

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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.