Home / 644,125.98-966,222.78-194,835.39

Finding the Fourth Proportional to 644,125.98, 966,222.78 and 194,835.39

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Solution

The fourth proportional to 644,125.98, 966,222.78 and 194,835.39 is: 292,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,125.98 : 966,222.78 = 194,835.39 : x
  2. Step 2: Convert to fraction form
    644,125.98/966,222.78 = 194,835.39/x
  3. Step 3: Cross multiply
    644,125.98x = 966,222.78 × 194,835.39
  4. Step 4: Simplify right side
    644,125.98x = 188,254,392,168.18
  5. Step 5: Solve for x
    x = 188,254,392,168.18/644,125.98
  6. Step 6: Final answer
    x = 292,263.31

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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.