Home / 131,025.20-196,537.80-89,553.20

Finding the Fourth Proportional to 131,025.20, 196,537.80 and 89,553.20

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Solution

The fourth proportional to 131,025.20, 196,537.80 and 89,553.20 is: 134,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,025.20 : 196,537.80 = 89,553.20 : x
  2. Step 2: Convert to fraction form
    131,025.20/196,537.80 = 89,553.20/x
  3. Step 3: Cross multiply
    131,025.20x = 196,537.80 × 89,553.20
  4. Step 4: Simplify right side
    131,025.20x = 17,600,588,910.96
  5. Step 5: Solve for x
    x = 17,600,588,910.96/131,025.20
  6. Step 6: Final answer
    x = 134,329.80

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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.