Home / 146,520.11-202,216.77-82,870.53

Finding the Fourth Proportional to 146,520.11, 202,216.77 and 82,870.53

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Solution

The fourth proportional to 146,520.11, 202,216.77 and 82,870.53 is: 114,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,520.11 : 202,216.77 = 82,870.53 : x
  2. Step 2: Convert to fraction form
    146,520.11/202,216.77 = 82,870.53/x
  3. Step 3: Cross multiply
    146,520.11x = 202,216.77 × 82,870.53
  4. Step 4: Simplify right side
    146,520.11x = 16,757,810,904.79
  5. Step 5: Solve for x
    x = 16,757,810,904.79/146,520.11
  6. Step 6: Final answer
    x = 114,372.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.