Home / 127,425.62-191,145.72-38,682.02

Finding the Fourth Proportional to 127,425.62, 191,145.72 and 38,682.02

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Solution

The fourth proportional to 127,425.62, 191,145.72 and 38,682.02 is: 58,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,425.62 : 191,145.72 = 38,682.02 : x
  2. Step 2: Convert to fraction form
    127,425.62/191,145.72 = 38,682.02/x
  3. Step 3: Cross multiply
    127,425.62x = 191,145.72 × 38,682.02
  4. Step 4: Simplify right side
    127,425.62x = 7,393,902,563.95
  5. Step 5: Solve for x
    x = 7,393,902,563.95/127,425.62
  6. Step 6: Final answer
    x = 58,025.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.