Home / 345,192.30-476,370.72-194,289.30

Finding the Fourth Proportional to 345,192.30, 476,370.72 and 194,289.30

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Solution

The fourth proportional to 345,192.30, 476,370.72 and 194,289.30 is: 268,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,192.30 : 476,370.72 = 194,289.30 : x
  2. Step 2: Convert to fraction form
    345,192.30/476,370.72 = 194,289.30/x
  3. Step 3: Cross multiply
    345,192.30x = 476,370.72 × 194,289.30
  4. Step 4: Simplify right side
    345,192.30x = 92,553,733,729.30
  5. Step 5: Solve for x
    x = 92,553,733,729.30/345,192.30
  6. Step 6: Final answer
    x = 268,122.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.