Home / 345,868.56-477,299.40-194,965.56

Finding the Fourth Proportional to 345,868.56, 477,299.40 and 194,965.56

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Solution

The fourth proportional to 345,868.56, 477,299.40 and 194,965.56 is: 269,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,868.56 : 477,299.40 = 194,965.56 : x
  2. Step 2: Convert to fraction form
    345,868.56/477,299.40 = 194,965.56/x
  3. Step 3: Cross multiply
    345,868.56x = 477,299.40 × 194,965.56
  4. Step 4: Simplify right side
    345,868.56x = 93,056,944,808.66
  5. Step 5: Solve for x
    x = 93,056,944,808.66/345,868.56
  6. Step 6: Final answer
    x = 269,052.92

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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.