Home / 312,108.20-467,370.30-171,708.20

Finding the Fourth Proportional to 312,108.20, 467,370.30 and 171,708.20

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Solution

The fourth proportional to 312,108.20, 467,370.30 and 171,708.20 is: 257,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,108.20 : 467,370.30 = 171,708.20 : x
  2. Step 2: Convert to fraction form
    312,108.20/467,370.30 = 171,708.20/x
  3. Step 3: Cross multiply
    312,108.20x = 467,370.30 × 171,708.20
  4. Step 4: Simplify right side
    312,108.20x = 80,251,312,946.46
  5. Step 5: Solve for x
    x = 80,251,312,946.46/312,108.20
  6. Step 6: Final answer
    x = 257,126.58

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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.