Home / 103,222.54-154,817.24-28,325.19

Finding the Fourth Proportional to 103,222.54, 154,817.24 and 28,325.19

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Solution

The fourth proportional to 103,222.54, 154,817.24 and 28,325.19 is: 42,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,222.54 : 154,817.24 = 28,325.19 : x
  2. Step 2: Convert to fraction form
    103,222.54/154,817.24 = 28,325.19/x
  3. Step 3: Cross multiply
    103,222.54x = 154,817.24 × 28,325.19
  4. Step 4: Simplify right side
    103,222.54x = 4,385,228,217.05
  5. Step 5: Solve for x
    x = 4,385,228,217.05/103,222.54
  6. Step 6: Final answer
    x = 42,483.24

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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.