Home / 131,402.75-197,107.77-37,908.50

Finding the Fourth Proportional to 131,402.75, 197,107.77 and 37,908.50

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Solution

The fourth proportional to 131,402.75, 197,107.77 and 37,908.50 is: 56,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,402.75 : 197,107.77 = 37,908.50 : x
  2. Step 2: Convert to fraction form
    131,402.75/197,107.77 = 37,908.50/x
  3. Step 3: Cross multiply
    131,402.75x = 197,107.77 × 37,908.50
  4. Step 4: Simplify right side
    131,402.75x = 7,472,059,899.05
  5. Step 5: Solve for x
    x = 7,472,059,899.05/131,402.75
  6. Step 6: Final answer
    x = 56,863.80

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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.