Home / 146,943.43-202,779.68-82,412.65

Finding the Fourth Proportional to 146,943.43, 202,779.68 and 82,412.65

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Solution

The fourth proportional to 146,943.43, 202,779.68 and 82,412.65 is: 113,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,943.43 : 202,779.68 = 82,412.65 : x
  2. Step 2: Convert to fraction form
    146,943.43/202,779.68 = 82,412.65/x
  3. Step 3: Cross multiply
    146,943.43x = 202,779.68 × 82,412.65
  4. Step 4: Simplify right side
    146,943.43x = 16,711,610,794.95
  5. Step 5: Solve for x
    x = 16,711,610,794.95/146,943.43
  6. Step 6: Final answer
    x = 113,728.19

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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.