Home / 146,537.40-219,813.30-76,553.40

Finding the Fourth Proportional to 146,537.40, 219,813.30 and 76,553.40

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Solution

The fourth proportional to 146,537.40, 219,813.30 and 76,553.40 is: 114,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,537.40 : 219,813.30 = 76,553.40 : x
  2. Step 2: Convert to fraction form
    146,537.40/219,813.30 = 76,553.40/x
  3. Step 3: Cross multiply
    146,537.40x = 219,813.30 × 76,553.40
  4. Step 4: Simplify right side
    146,537.40x = 16,827,455,480.22
  5. Step 5: Solve for x
    x = 16,827,455,480.22/146,537.40
  6. Step 6: Final answer
    x = 114,833.86

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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.