Home / 136,795.03-188,855.67-104,274.34

Finding the Fourth Proportional to 136,795.03, 188,855.67 and 104,274.34

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Solution

The fourth proportional to 136,795.03, 188,855.67 and 104,274.34 is: 143,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,795.03 : 188,855.67 = 104,274.34 : x
  2. Step 2: Convert to fraction form
    136,795.03/188,855.67 = 104,274.34/x
  3. Step 3: Cross multiply
    136,795.03x = 188,855.67 × 104,274.34
  4. Step 4: Simplify right side
    136,795.03x = 19,692,800,344.51
  5. Step 5: Solve for x
    x = 19,692,800,344.51/136,795.03
  6. Step 6: Final answer
    x = 143,958.45

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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.