Home / 158,554.80-218,815.74-104,745.42

Finding the Fourth Proportional to 158,554.80, 218,815.74 and 104,745.42

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Solution

The fourth proportional to 158,554.80, 218,815.74 and 104,745.42 is: 144,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,554.80 : 218,815.74 = 104,745.42 : x
  2. Step 2: Convert to fraction form
    158,554.80/218,815.74 = 104,745.42/x
  3. Step 3: Cross multiply
    158,554.80x = 218,815.74 × 104,745.42
  4. Step 4: Simplify right side
    158,554.80x = 22,919,946,588.91
  5. Step 5: Solve for x
    x = 22,919,946,588.91/158,554.80
  6. Step 6: Final answer
    x = 144,555.36

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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.