Home / 195,801.76-270,201.18-115,234.03

Finding the Fourth Proportional to 195,801.76, 270,201.18 and 115,234.03

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Solution

The fourth proportional to 195,801.76, 270,201.18 and 115,234.03 is: 159,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,801.76 : 270,201.18 = 115,234.03 : x
  2. Step 2: Convert to fraction form
    195,801.76/270,201.18 = 115,234.03/x
  3. Step 3: Cross multiply
    195,801.76x = 270,201.18 × 115,234.03
  4. Step 4: Simplify right side
    195,801.76x = 31,136,370,882.16
  5. Step 5: Solve for x
    x = 31,136,370,882.16/195,801.76
  6. Step 6: Final answer
    x = 159,019.87

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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.