Home / 203,172.82-304,779.27-70,035.55

Finding the Fourth Proportional to 203,172.82, 304,779.27 and 70,035.55

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Solution

The fourth proportional to 203,172.82, 304,779.27 and 70,035.55 is: 105,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,172.82 : 304,779.27 = 70,035.55 : x
  2. Step 2: Convert to fraction form
    203,172.82/304,779.27 = 70,035.55/x
  3. Step 3: Cross multiply
    203,172.82x = 304,779.27 × 70,035.55
  4. Step 4: Simplify right side
    203,172.82x = 21,345,383,803.05
  5. Step 5: Solve for x
    x = 21,345,383,803.05/203,172.82
  6. Step 6: Final answer
    x = 105,060.23

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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.