Home / 276,899.41-382,122.93-162,245.80

Finding the Fourth Proportional to 276,899.41, 382,122.93 and 162,245.80

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Solution

The fourth proportional to 276,899.41, 382,122.93 and 162,245.80 is: 223,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,899.41 : 382,122.93 = 162,245.80 : x
  2. Step 2: Convert to fraction form
    276,899.41/382,122.93 = 162,245.80/x
  3. Step 3: Cross multiply
    276,899.41x = 382,122.93 × 162,245.80
  4. Step 4: Simplify right side
    276,899.41x = 61,997,840,476.19
  5. Step 5: Solve for x
    x = 61,997,840,476.19/276,899.41
  6. Step 6: Final answer
    x = 223,900.23

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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.