Home / 146,615.40-202,329.90-82,965.60

Finding the Fourth Proportional to 146,615.40, 202,329.90 and 82,965.60

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Solution

The fourth proportional to 146,615.40, 202,329.90 and 82,965.60 is: 114,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,615.40 : 202,329.90 = 82,965.60 : x
  2. Step 2: Convert to fraction form
    146,615.40/202,329.90 = 82,965.60/x
  3. Step 3: Cross multiply
    146,615.40x = 202,329.90 × 82,965.60
  4. Step 4: Simplify right side
    146,615.40x = 16,786,421,551.44
  5. Step 5: Solve for x
    x = 16,786,421,551.44/146,615.40
  6. Step 6: Final answer
    x = 114,492.89

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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.