Home / 353,159.20-529,738.80-187,271.20

Finding the Fourth Proportional to 353,159.20, 529,738.80 and 187,271.20

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Solution

The fourth proportional to 353,159.20, 529,738.80 and 187,271.20 is: 280,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,159.20 : 529,738.80 = 187,271.20 : x
  2. Step 2: Convert to fraction form
    353,159.20/529,738.80 = 187,271.20/x
  3. Step 3: Cross multiply
    353,159.20x = 529,738.80 × 187,271.20
  4. Step 4: Simplify right side
    353,159.20x = 99,204,820,762.56
  5. Step 5: Solve for x
    x = 99,204,820,762.56/353,159.20
  6. Step 6: Final answer
    x = 280,906.80

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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.