Home / 642,253.35-963,429.84-192,939.06

Finding the Fourth Proportional to 642,253.35, 963,429.84 and 192,939.06

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Solution

The fourth proportional to 642,253.35, 963,429.84 and 192,939.06 is: 289,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,253.35 : 963,429.84 = 192,939.06 : x
  2. Step 2: Convert to fraction form
    642,253.35/963,429.84 = 192,939.06/x
  3. Step 3: Cross multiply
    642,253.35x = 963,429.84 × 192,939.06
  4. Step 4: Simplify right side
    642,253.35x = 185,883,247,705.55
  5. Step 5: Solve for x
    x = 185,883,247,705.55/642,253.35
  6. Step 6: Final answer
    x = 289,423.55

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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.