Home / 325,988.28-449,865.36-190,116.48

Finding the Fourth Proportional to 325,988.28, 449,865.36 and 190,116.48

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Solution

The fourth proportional to 325,988.28, 449,865.36 and 190,116.48 is: 262,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,988.28 : 449,865.36 = 190,116.48 : x
  2. Step 2: Convert to fraction form
    325,988.28/449,865.36 = 190,116.48/x
  3. Step 3: Cross multiply
    325,988.28x = 449,865.36 × 190,116.48
  4. Step 4: Simplify right side
    325,988.28x = 85,526,818,717.13
  5. Step 5: Solve for x
    x = 85,526,818,717.13/325,988.28
  6. Step 6: Final answer
    x = 262,361.64

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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.