Home / 195,126.94-269,318.65-118,629.87

Finding the Fourth Proportional to 195,126.94, 269,318.65 and 118,629.87

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Solution

The fourth proportional to 195,126.94, 269,318.65 and 118,629.87 is: 163,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,126.94 : 269,318.65 = 118,629.87 : x
  2. Step 2: Convert to fraction form
    195,126.94/269,318.65 = 118,629.87/x
  3. Step 3: Cross multiply
    195,126.94x = 269,318.65 × 118,629.87
  4. Step 4: Simplify right side
    195,126.94x = 31,949,236,438.08
  5. Step 5: Solve for x
    x = 31,949,236,438.08/195,126.94
  6. Step 6: Final answer
    x = 163,735.65

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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.