Home / 493,283.10-739,945.23-156,316.30

Finding the Fourth Proportional to 493,283.10, 739,945.23 and 156,316.30

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Solution

The fourth proportional to 493,283.10, 739,945.23 and 156,316.30 is: 234,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,283.10 : 739,945.23 = 156,316.30 : x
  2. Step 2: Convert to fraction form
    493,283.10/739,945.23 = 156,316.30/x
  3. Step 3: Cross multiply
    493,283.10x = 739,945.23 × 156,316.30
  4. Step 4: Simplify right side
    493,283.10x = 115,665,498,120.20
  5. Step 5: Solve for x
    x = 115,665,498,120.20/493,283.10
  6. Step 6: Final answer
    x = 234,480.97

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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.