Home / 131,673.20-197,508.90-52,786.32

Finding the Fourth Proportional to 131,673.20, 197,508.90 and 52,786.32

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Solution

The fourth proportional to 131,673.20, 197,508.90 and 52,786.32 is: 79,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,673.20 : 197,508.90 = 52,786.32 : x
  2. Step 2: Convert to fraction form
    131,673.20/197,508.90 = 52,786.32/x
  3. Step 3: Cross multiply
    131,673.20x = 197,508.90 × 52,786.32
  4. Step 4: Simplify right side
    131,673.20x = 10,425,767,998.25
  5. Step 5: Solve for x
    x = 10,425,767,998.25/131,673.20
  6. Step 6: Final answer
    x = 79,179.12

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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.