Home / 379,222.56-569,144.88-192,287.52

Finding the Fourth Proportional to 379,222.56, 569,144.88 and 192,287.52

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Solution

The fourth proportional to 379,222.56, 569,144.88 and 192,287.52 is: 288,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,222.56 : 569,144.88 = 192,287.52 : x
  2. Step 2: Convert to fraction form
    379,222.56/569,144.88 = 192,287.52/x
  3. Step 3: Cross multiply
    379,222.56x = 569,144.88 × 192,287.52
  4. Step 4: Simplify right side
    379,222.56x = 109,439,457,495.90
  5. Step 5: Solve for x
    x = 109,439,457,495.90/379,222.56
  6. Step 6: Final answer
    x = 288,589.00

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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.