Home / 345,927.42-477,361.62-192,981.60

Finding the Fourth Proportional to 345,927.42, 477,361.62 and 192,981.60

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Solution

The fourth proportional to 345,927.42, 477,361.62 and 192,981.60 is: 266,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,927.42 : 477,361.62 = 192,981.60 : x
  2. Step 2: Convert to fraction form
    345,927.42/477,361.62 = 192,981.60/x
  3. Step 3: Cross multiply
    345,927.42x = 477,361.62 × 192,981.60
  4. Step 4: Simplify right side
    345,927.42x = 92,122,009,206.19
  5. Step 5: Solve for x
    x = 92,122,009,206.19/345,927.42
  6. Step 6: Final answer
    x = 266,304.44

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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.