Home / 131,702.75-181,750.24-71,273.37

Finding the Fourth Proportional to 131,702.75, 181,750.24 and 71,273.37

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Solution

The fourth proportional to 131,702.75, 181,750.24 and 71,273.37 is: 98,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,702.75 : 181,750.24 = 71,273.37 : x
  2. Step 2: Convert to fraction form
    131,702.75/181,750.24 = 71,273.37/x
  3. Step 3: Cross multiply
    131,702.75x = 181,750.24 × 71,273.37
  4. Step 4: Simplify right side
    131,702.75x = 12,953,952,103.11
  5. Step 5: Solve for x
    x = 12,953,952,103.11/131,702.75
  6. Step 6: Final answer
    x = 98,357.50

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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.