Home / 131,807.67-197,673.03-75,638.22

Finding the Fourth Proportional to 131,807.67, 197,673.03 and 75,638.22

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Solution

The fourth proportional to 131,807.67, 197,673.03 and 75,638.22 is: 113,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.67 : 197,673.03 = 75,638.22 : x
  2. Step 2: Convert to fraction form
    131,807.67/197,673.03 = 75,638.22/x
  3. Step 3: Cross multiply
    131,807.67x = 197,673.03 × 75,638.22
  4. Step 4: Simplify right side
    131,807.67x = 14,951,636,131.21
  5. Step 5: Solve for x
    x = 14,951,636,131.21/131,807.67
  6. Step 6: Final answer
    x = 113,435.25

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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.