Home / 154,748.58-213,474.44-101,065.02

Finding the Fourth Proportional to 154,748.58, 213,474.44 and 101,065.02

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Solution

The fourth proportional to 154,748.58, 213,474.44 and 101,065.02 is: 139,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,748.58 : 213,474.44 = 101,065.02 : x
  2. Step 2: Convert to fraction form
    154,748.58/213,474.44 = 101,065.02/x
  3. Step 3: Cross multiply
    154,748.58x = 213,474.44 × 101,065.02
  4. Step 4: Simplify right side
    154,748.58x = 21,574,797,431.73
  5. Step 5: Solve for x
    x = 21,574,797,431.73/154,748.58
  6. Step 6: Final answer
    x = 139,418.39

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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.