Home / 195,171.25-269,336.51-105,747.25

Finding the Fourth Proportional to 195,171.25, 269,336.51 and 105,747.25

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Solution

The fourth proportional to 195,171.25, 269,336.51 and 105,747.25 is: 145,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,171.25 : 269,336.51 = 105,747.25 : x
  2. Step 2: Convert to fraction form
    195,171.25/269,336.51 = 105,747.25/x
  3. Step 3: Cross multiply
    195,171.25x = 269,336.51 × 105,747.25
  4. Step 4: Simplify right side
    195,171.25x = 28,481,594,728.36
  5. Step 5: Solve for x
    x = 28,481,594,728.36/195,171.25
  6. Step 6: Final answer
    x = 145,931.30

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1.5x scale

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.