Home / 193,433.76-266,964.66-108,555.48

Finding the Fourth Proportional to 193,433.76, 266,964.66 and 108,555.48

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Solution

The fourth proportional to 193,433.76, 266,964.66 and 108,555.48 is: 149,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,433.76 : 266,964.66 = 108,555.48 : x
  2. Step 2: Convert to fraction form
    193,433.76/266,964.66 = 108,555.48/x
  3. Step 3: Cross multiply
    193,433.76x = 266,964.66 × 108,555.48
  4. Step 4: Simplify right side
    193,433.76x = 28,980,476,809.34
  5. Step 5: Solve for x
    x = 28,980,476,809.34/193,433.76
  6. Step 6: Final answer
    x = 149,821.19

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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.