Home / 188,543.73-260,183.70-103,660.14

Finding the Fourth Proportional to 188,543.73, 260,183.70 and 103,660.14

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Solution

The fourth proportional to 188,543.73, 260,183.70 and 103,660.14 is: 143,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,543.73 : 260,183.70 = 103,660.14 : x
  2. Step 2: Convert to fraction form
    188,543.73/260,183.70 = 103,660.14/x
  3. Step 3: Cross multiply
    188,543.73x = 260,183.70 × 103,660.14
  4. Step 4: Simplify right side
    188,543.73x = 26,970,678,767.72
  5. Step 5: Solve for x
    x = 26,970,678,767.72/188,543.73
  6. Step 6: Final answer
    x = 143,047.34

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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.