Home / 188,159.96-259,664.10-103,284.92

Finding the Fourth Proportional to 188,159.96, 259,664.10 and 103,284.92

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Solution

The fourth proportional to 188,159.96, 259,664.10 and 103,284.92 is: 142,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,159.96 : 259,664.10 = 103,284.92 : x
  2. Step 2: Convert to fraction form
    188,159.96/259,664.10 = 103,284.92/x
  3. Step 3: Cross multiply
    188,159.96x = 259,664.10 × 103,284.92
  4. Step 4: Simplify right side
    188,159.96x = 26,819,385,795.37
  5. Step 5: Solve for x
    x = 26,819,385,795.37/188,159.96
  6. Step 6: Final answer
    x = 142,535.03

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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.