Home / 493,260.18-739,915.78-156,336.62

Finding the Fourth Proportional to 493,260.18, 739,915.78 and 156,336.62

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Solution

The fourth proportional to 493,260.18, 739,915.78 and 156,336.62 is: 234,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,260.18 : 739,915.78 = 156,336.62 : x
  2. Step 2: Convert to fraction form
    493,260.18/739,915.78 = 156,336.62/x
  3. Step 3: Cross multiply
    493,260.18x = 739,915.78 × 156,336.62
  4. Step 4: Simplify right side
    493,260.18x = 115,675,932,129.86
  5. Step 5: Solve for x
    x = 115,675,932,129.86/493,260.18
  6. Step 6: Final answer
    x = 234,513.02

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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.