Home / 197,220.48-272,183.31-116,673.90

Finding the Fourth Proportional to 197,220.48, 272,183.31 and 116,673.90

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Solution

The fourth proportional to 197,220.48, 272,183.31 and 116,673.90 is: 161,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,220.48 : 272,183.31 = 116,673.90 : x
  2. Step 2: Convert to fraction form
    197,220.48/272,183.31 = 116,673.90/x
  3. Step 3: Cross multiply
    197,220.48x = 272,183.31 × 116,673.90
  4. Step 4: Simplify right side
    197,220.48x = 31,756,688,292.61
  5. Step 5: Solve for x
    x = 31,756,688,292.61/197,220.48
  6. Step 6: Final answer
    x = 161,021.25

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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.