Home / 195,725.45-270,096.47-115,158.09

Finding the Fourth Proportional to 195,725.45, 270,096.47 and 115,158.09

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Solution

The fourth proportional to 195,725.45, 270,096.47 and 115,158.09 is: 158,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,725.45 : 270,096.47 = 115,158.09 : x
  2. Step 2: Convert to fraction form
    195,725.45/270,096.47 = 115,158.09/x
  3. Step 3: Cross multiply
    195,725.45x = 270,096.47 × 115,158.09
  4. Step 4: Simplify right side
    195,725.45x = 31,103,793,025.15
  5. Step 5: Solve for x
    x = 31,103,793,025.15/195,725.45
  6. Step 6: Final answer
    x = 158,915.43

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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.