Home / 353,108.20-529,662.30-187,220.20

Finding the Fourth Proportional to 353,108.20, 529,662.30 and 187,220.20

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Solution

The fourth proportional to 353,108.20, 529,662.30 and 187,220.20 is: 280,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,108.20 : 529,662.30 = 187,220.20 : x
  2. Step 2: Convert to fraction form
    353,108.20/529,662.30 = 187,220.20/x
  3. Step 3: Cross multiply
    353,108.20x = 529,662.30 × 187,220.20
  4. Step 4: Simplify right side
    353,108.20x = 99,163,481,738.46
  5. Step 5: Solve for x
    x = 99,163,481,738.46/353,108.20
  6. Step 6: Final answer
    x = 280,830.30

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1.5x scale

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.