Home / 154,806.23-231,985.22-106,725.49

Finding the Fourth Proportional to 154,806.23, 231,985.22 and 106,725.49

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Solution

The fourth proportional to 154,806.23, 231,985.22 and 106,725.49 is: 159,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,806.23 : 231,985.22 = 106,725.49 : x
  2. Step 2: Convert to fraction form
    154,806.23/231,985.22 = 106,725.49/x
  3. Step 3: Cross multiply
    154,806.23x = 231,985.22 × 106,725.49
  4. Step 4: Simplify right side
    154,806.23x = 24,758,735,964.11
  5. Step 5: Solve for x
    x = 24,758,735,964.11/154,806.23
  6. Step 6: Final answer
    x = 159,933.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.