Home / 131,272.06-196,898.55-51,295.05

Finding the Fourth Proportional to 131,272.06, 196,898.55 and 51,295.05

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Solution

The fourth proportional to 131,272.06, 196,898.55 and 51,295.05 is: 76,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,272.06 : 196,898.55 = 51,295.05 : x
  2. Step 2: Convert to fraction form
    131,272.06/196,898.55 = 51,295.05/x
  3. Step 3: Cross multiply
    131,272.06x = 196,898.55 × 51,295.05
  4. Step 4: Simplify right side
    131,272.06x = 10,099,920,967.18
  5. Step 5: Solve for x
    x = 10,099,920,967.18/131,272.06
  6. Step 6: Final answer
    x = 76,938.85

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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.