Home / 127,745.24-176,296.37-71,156.61

Finding the Fourth Proportional to 127,745.24, 176,296.37 and 71,156.61

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Solution

The fourth proportional to 127,745.24, 176,296.37 and 71,156.61 is: 98,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745.24 : 176,296.37 = 71,156.61 : x
  2. Step 2: Convert to fraction form
    127,745.24/176,296.37 = 71,156.61/x
  3. Step 3: Cross multiply
    127,745.24x = 176,296.37 × 71,156.61
  4. Step 4: Simplify right side
    127,745.24x = 12,544,651,688.72
  5. Step 5: Solve for x
    x = 12,544,651,688.72/127,745.24
  6. Step 6: Final answer
    x = 98,200.54

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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.