Home / 146,811.30-202,613.80-82,291.50

Finding the Fourth Proportional to 146,811.30, 202,613.80 and 82,291.50

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Solution

The fourth proportional to 146,811.30, 202,613.80 and 82,291.50 is: 113,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.30 : 202,613.80 = 82,291.50 : x
  2. Step 2: Convert to fraction form
    146,811.30/202,613.80 = 82,291.50/x
  3. Step 3: Cross multiply
    146,811.30x = 202,613.80 × 82,291.50
  4. Step 4: Simplify right side
    146,811.30x = 16,673,393,522.70
  5. Step 5: Solve for x
    x = 16,673,393,522.70/146,811.30
  6. Step 6: Final answer
    x = 113,570.23

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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.