Home / 642,100.37-963,158.63-192,795.08

Finding the Fourth Proportional to 642,100.37, 963,158.63 and 192,795.08

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Solution

The fourth proportional to 642,100.37, 963,158.63 and 192,795.08 is: 289,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,100.37 : 963,158.63 = 192,795.08 : x
  2. Step 2: Convert to fraction form
    642,100.37/963,158.63 = 192,795.08/x
  3. Step 3: Cross multiply
    642,100.37x = 963,158.63 × 192,795.08
  4. Step 4: Simplify right side
    642,100.37x = 185,692,244,159.57
  5. Step 5: Solve for x
    x = 185,692,244,159.57/642,100.37
  6. Step 6: Final answer
    x = 289,195.04

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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.