Home / 188,066.23-259,531.64-103,183.63

Finding the Fourth Proportional to 188,066.23, 259,531.64 and 103,183.63

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Solution

The fourth proportional to 188,066.23, 259,531.64 and 103,183.63 is: 142,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,066.23 : 259,531.64 = 103,183.63 : x
  2. Step 2: Convert to fraction form
    188,066.23/259,531.64 = 103,183.63/x
  3. Step 3: Cross multiply
    188,066.23x = 259,531.64 × 103,183.63
  4. Step 4: Simplify right side
    188,066.23x = 26,779,416,715.05
  5. Step 5: Solve for x
    x = 26,779,416,715.05/188,066.23
  6. Step 6: Final answer
    x = 142,393.54

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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.