Home / 149,930.60-224,636.70-70,874.60

Finding the Fourth Proportional to 149,930.60, 224,636.70 and 70,874.60

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Solution

The fourth proportional to 149,930.60, 224,636.70 and 70,874.60 is: 106,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,930.60 : 224,636.70 = 70,874.60 : x
  2. Step 2: Convert to fraction form
    149,930.60/224,636.70 = 70,874.60/x
  3. Step 3: Cross multiply
    149,930.60x = 224,636.70 × 70,874.60
  4. Step 4: Simplify right side
    149,930.60x = 15,921,036,257.82
  5. Step 5: Solve for x
    x = 15,921,036,257.82/149,930.60
  6. Step 6: Final answer
    x = 106,189.37

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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.