Home / 131,859.90-197,825.58-43,101.72

Finding the Fourth Proportional to 131,859.90, 197,825.58 and 43,101.72

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Solution

The fourth proportional to 131,859.90, 197,825.58 and 43,101.72 is: 64,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,859.90 : 197,825.58 = 43,101.72 : x
  2. Step 2: Convert to fraction form
    131,859.90/197,825.58 = 43,101.72/x
  3. Step 3: Cross multiply
    131,859.90x = 197,825.58 × 43,101.72
  4. Step 4: Simplify right side
    131,859.90x = 8,526,622,758.00
  5. Step 5: Solve for x
    x = 8,526,622,758.00/131,859.90
  6. Step 6: Final answer
    x = 64,664.26

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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.