Home / 188,264.74-259,807.14-103,383.58

Finding the Fourth Proportional to 188,264.74, 259,807.14 and 103,383.58

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Solution

The fourth proportional to 188,264.74, 259,807.14 and 103,383.58 is: 142,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,264.74 : 259,807.14 = 103,383.58 : x
  2. Step 2: Convert to fraction form
    188,264.74/259,807.14 = 103,383.58/x
  3. Step 3: Cross multiply
    188,264.74x = 259,807.14 × 103,383.58
  4. Step 4: Simplify right side
    188,264.74x = 26,859,790,943.73
  5. Step 5: Solve for x
    x = 26,859,790,943.73/188,264.74
  6. Step 6: Final answer
    x = 142,670.33

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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.