Home / 203,273.90-304,959.30-70,155.32

Finding the Fourth Proportional to 203,273.90, 304,959.30 and 70,155.32

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Solution

The fourth proportional to 203,273.90, 304,959.30 and 70,155.32 is: 105,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,273.90 : 304,959.30 = 70,155.32 : x
  2. Step 2: Convert to fraction form
    203,273.90/304,959.30 = 70,155.32/x
  3. Step 3: Cross multiply
    203,273.90x = 304,959.30 × 70,155.32
  4. Step 4: Simplify right side
    203,273.90x = 21,394,515,402.90
  5. Step 5: Solve for x
    x = 21,394,515,402.90/203,273.90
  6. Step 6: Final answer
    x = 105,249.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.