Home / 148,872.73-205,462.02-85,231.03

Finding the Fourth Proportional to 148,872.73, 205,462.02 and 85,231.03

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Solution

The fourth proportional to 148,872.73, 205,462.02 and 85,231.03 is: 117,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,872.73 : 205,462.02 = 85,231.03 : x
  2. Step 2: Convert to fraction form
    148,872.73/205,462.02 = 85,231.03/x
  3. Step 3: Cross multiply
    148,872.73x = 205,462.02 × 85,231.03
  4. Step 4: Simplify right side
    148,872.73x = 17,511,739,590.48
  5. Step 5: Solve for x
    x = 17,511,739,590.48/148,872.73
  6. Step 6: Final answer
    x = 117,628.93

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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.