Home / 193,142.97-266,438.25-116,619.84

Finding the Fourth Proportional to 193,142.97, 266,438.25 and 116,619.84

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Solution

The fourth proportional to 193,142.97, 266,438.25 and 116,619.84 is: 160,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,142.97 : 266,438.25 = 116,619.84 : x
  2. Step 2: Convert to fraction form
    193,142.97/266,438.25 = 116,619.84/x
  3. Step 3: Cross multiply
    193,142.97x = 266,438.25 × 116,619.84
  4. Step 4: Simplify right side
    193,142.97x = 31,071,986,084.88
  5. Step 5: Solve for x
    x = 31,071,986,084.88/193,142.97
  6. Step 6: Final answer
    x = 160,875.57

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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.