Home / 131,901.76-197,876.94-43,160.24

Finding the Fourth Proportional to 131,901.76, 197,876.94 and 43,160.24

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Solution

The fourth proportional to 131,901.76, 197,876.94 and 43,160.24 is: 64,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.76 : 197,876.94 = 43,160.24 : x
  2. Step 2: Convert to fraction form
    131,901.76/197,876.94 = 43,160.24/x
  3. Step 3: Cross multiply
    131,901.76x = 197,876.94 × 43,160.24
  4. Step 4: Simplify right side
    131,901.76x = 8,540,416,220.87
  5. Step 5: Solve for x
    x = 8,540,416,220.87/131,901.76
  6. Step 6: Final answer
    x = 64,748.31

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1.5x scale

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.