Home / 131,809.77-197,673.81-47,559.02

Finding the Fourth Proportional to 131,809.77, 197,673.81 and 47,559.02

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Solution

The fourth proportional to 131,809.77, 197,673.81 and 47,559.02 is: 71,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,809.77 : 197,673.81 = 47,559.02 : x
  2. Step 2: Convert to fraction form
    131,809.77/197,673.81 = 47,559.02/x
  3. Step 3: Cross multiply
    131,809.77x = 197,673.81 × 47,559.02
  4. Step 4: Simplify right side
    131,809.77x = 9,401,171,694.90
  5. Step 5: Solve for x
    x = 9,401,171,694.90/131,809.77
  6. Step 6: Final answer
    x = 71,323.78

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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.