Home / 345,782.32-477,188.06-192,819.04

Finding the Fourth Proportional to 345,782.32, 477,188.06 and 192,819.04

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Solution

The fourth proportional to 345,782.32, 477,188.06 and 192,819.04 is: 266,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,782.32 : 477,188.06 = 192,819.04 : x
  2. Step 2: Convert to fraction form
    345,782.32/477,188.06 = 192,819.04/x
  3. Step 3: Cross multiply
    345,782.32x = 477,188.06 × 192,819.04
  4. Step 4: Simplify right side
    345,782.32x = 92,010,943,628.66
  5. Step 5: Solve for x
    x = 92,010,943,628.66/345,782.32
  6. Step 6: Final answer
    x = 266,094.99

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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.