Home / 351,764.00-485,433.09-190,623

Finding the Fourth Proportional to 351,764.00, 485,433.09 and 190,623

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Solution

The fourth proportional to 351,764.00, 485,433.09 and 190,623 is: 263,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,764.00 : 485,433.09 = 190,623 : x
  2. Step 2: Convert to fraction form
    351,764.00/485,433.09 = 190,623/x
  3. Step 3: Cross multiply
    351,764.00x = 485,433.09 × 190,623
  4. Step 4: Simplify right side
    351,764.00x = 92,534,711,915.07
  5. Step 5: Solve for x
    x = 92,534,711,915.07/351,764.00
  6. Step 6: Final answer
    x = 263,059.08

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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.