Home / 131,650.66-197,297.10-55,686.10

Finding the Fourth Proportional to 131,650.66, 197,297.10 and 55,686.10

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Solution

The fourth proportional to 131,650.66, 197,297.10 and 55,686.10 is: 83,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,650.66 : 197,297.10 = 55,686.10 : x
  2. Step 2: Convert to fraction form
    131,650.66/197,297.10 = 55,686.10/x
  3. Step 3: Cross multiply
    131,650.66x = 197,297.10 × 55,686.10
  4. Step 4: Simplify right side
    131,650.66x = 10,986,706,040.31
  5. Step 5: Solve for x
    x = 10,986,706,040.31/131,650.66
  6. Step 6: Final answer
    x = 83,453.48

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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.