Home / 131,098.92-180,922.92-73,739.40

Finding the Fourth Proportional to 131,098.92, 180,922.92 and 73,739.40

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Solution

The fourth proportional to 131,098.92, 180,922.92 and 73,739.40 is: 101,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098.92 : 180,922.92 = 73,739.40 : x
  2. Step 2: Convert to fraction form
    131,098.92/180,922.92 = 73,739.40/x
  3. Step 3: Cross multiply
    131,098.92x = 180,922.92 × 73,739.40
  4. Step 4: Simplify right side
    131,098.92x = 13,341,147,567.05
  5. Step 5: Solve for x
    x = 13,341,147,567.05/131,098.92
  6. Step 6: Final answer
    x = 101,763.98

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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.