Home / 198,958.24-274,663.80-153,534.16

Finding the Fourth Proportional to 198,958.24, 274,663.80 and 153,534.16

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Solution

The fourth proportional to 198,958.24, 274,663.80 and 153,534.16 is: 211,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,958.24 : 274,663.80 = 153,534.16 : x
  2. Step 2: Convert to fraction form
    198,958.24/274,663.80 = 153,534.16/x
  3. Step 3: Cross multiply
    198,958.24x = 274,663.80 × 153,534.16
  4. Step 4: Simplify right side
    198,958.24x = 42,170,275,815.41
  5. Step 5: Solve for x
    x = 42,170,275,815.41/198,958.24
  6. Step 6: Final answer
    x = 211,955.41

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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.