Home / 148,977.05-205,564.52-98,010.39

Finding the Fourth Proportional to 148,977.05, 205,564.52 and 98,010.39

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Solution

The fourth proportional to 148,977.05, 205,564.52 and 98,010.39 is: 135,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,977.05 : 205,564.52 = 98,010.39 : x
  2. Step 2: Convert to fraction form
    148,977.05/205,564.52 = 98,010.39/x
  3. Step 3: Cross multiply
    148,977.05x = 205,564.52 × 98,010.39
  4. Step 4: Simplify right side
    148,977.05x = 20,147,458,285.31
  5. Step 5: Solve for x
    x = 20,147,458,285.31/148,977.05
  6. Step 6: Final answer
    x = 135,238.68

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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.