Home / 197,564.44-272,638.92-106,920.40

Finding the Fourth Proportional to 197,564.44, 272,638.92 and 106,920.40

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Solution

The fourth proportional to 197,564.44, 272,638.92 and 106,920.40 is: 147,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,564.44 : 272,638.92 = 106,920.40 : x
  2. Step 2: Convert to fraction form
    197,564.44/272,638.92 = 106,920.40/x
  3. Step 3: Cross multiply
    197,564.44x = 272,638.92 × 106,920.40
  4. Step 4: Simplify right side
    197,564.44x = 29,150,662,381.97
  5. Step 5: Solve for x
    x = 29,150,662,381.97/197,564.44
  6. Step 6: Final answer
    x = 147,550.15

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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.