Home / 197,613.49-272,706.78-106,969.18

Finding the Fourth Proportional to 197,613.49, 272,706.78 and 106,969.18

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Solution

The fourth proportional to 197,613.49, 272,706.78 and 106,969.18 is: 147,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,613.49 : 272,706.78 = 106,969.18 : x
  2. Step 2: Convert to fraction form
    197,613.49/272,706.78 = 106,969.18/x
  3. Step 3: Cross multiply
    197,613.49x = 272,706.78 × 106,969.18
  4. Step 4: Simplify right side
    197,613.49x = 29,171,219,955.27
  5. Step 5: Solve for x
    x = 29,171,219,955.27/197,613.49
  6. Step 6: Final answer
    x = 147,617.55

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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.