Home / 164,428.14-226,929.96-136,783.98

Finding the Fourth Proportional to 164,428.14, 226,929.96 and 136,783.98

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Solution

The fourth proportional to 164,428.14, 226,929.96 and 136,783.98 is: 188,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,428.14 : 226,929.96 = 136,783.98 : x
  2. Step 2: Convert to fraction form
    164,428.14/226,929.96 = 136,783.98/x
  3. Step 3: Cross multiply
    164,428.14x = 226,929.96 × 136,783.98
  4. Step 4: Simplify right side
    164,428.14x = 31,040,383,110.04
  5. Step 5: Solve for x
    x = 31,040,383,110.04/164,428.14
  6. Step 6: Final answer
    x = 188,777.80

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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.