Home / 148,744.52-205,195.38-98,485.64

Finding the Fourth Proportional to 148,744.52, 205,195.38 and 98,485.64

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Solution

The fourth proportional to 148,744.52, 205,195.38 and 98,485.64 is: 135,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,744.52 : 205,195.38 = 98,485.64 : x
  2. Step 2: Convert to fraction form
    148,744.52/205,195.38 = 98,485.64/x
  3. Step 3: Cross multiply
    148,744.52x = 205,195.38 × 98,485.64
  4. Step 4: Simplify right side
    148,744.52x = 20,208,798,324.34
  5. Step 5: Solve for x
    x = 20,208,798,324.34/148,744.52
  6. Step 6: Final answer
    x = 135,862.47

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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.