Home / 127,576.18-191,325.30-102,556.90

Finding the Fourth Proportional to 127,576.18, 191,325.30 and 102,556.90

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Solution

The fourth proportional to 127,576.18, 191,325.30 and 102,556.90 is: 153,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,576.18 : 191,325.30 = 102,556.90 : x
  2. Step 2: Convert to fraction form
    127,576.18/191,325.30 = 102,556.90/x
  3. Step 3: Cross multiply
    127,576.18x = 191,325.30 × 102,556.90
  4. Step 4: Simplify right side
    127,576.18x = 19,621,729,659.57
  5. Step 5: Solve for x
    x = 19,621,729,659.57/127,576.18
  6. Step 6: Final answer
    x = 153,804.02

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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.