Home / 493,283.35-739,945.60-156,316.54

Finding the Fourth Proportional to 493,283.35, 739,945.60 and 156,316.54

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Solution

The fourth proportional to 493,283.35, 739,945.60 and 156,316.54 is: 234,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,283.35 : 739,945.60 = 156,316.54 : x
  2. Step 2: Convert to fraction form
    493,283.35/739,945.60 = 156,316.54/x
  3. Step 3: Cross multiply
    493,283.35x = 739,945.60 × 156,316.54
  4. Step 4: Simplify right side
    493,283.35x = 115,665,735,980.22
  5. Step 5: Solve for x
    x = 115,665,735,980.22/493,283.35
  6. Step 6: Final answer
    x = 234,481.33

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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.