Home / 188,284.67-259,837.36-103,403.55

Finding the Fourth Proportional to 188,284.67, 259,837.36 and 103,403.55

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Solution

The fourth proportional to 188,284.67, 259,837.36 and 103,403.55 is: 142,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,284.67 : 259,837.36 = 103,403.55 : x
  2. Step 2: Convert to fraction form
    188,284.67/259,837.36 = 103,403.55/x
  3. Step 3: Cross multiply
    188,284.67x = 259,837.36 × 103,403.55
  4. Step 4: Simplify right side
    188,284.67x = 26,868,105,446.63
  5. Step 5: Solve for x
    x = 26,868,105,446.63/188,284.67
  6. Step 6: Final answer
    x = 142,699.38

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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.