Home / 322,693.12-445,282.40-179,430.04

Finding the Fourth Proportional to 322,693.12, 445,282.40 and 179,430.04

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Solution

The fourth proportional to 322,693.12, 445,282.40 and 179,430.04 is: 247,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,693.12 : 445,282.40 = 179,430.04 : x
  2. Step 2: Convert to fraction form
    322,693.12/445,282.40 = 179,430.04/x
  3. Step 3: Cross multiply
    322,693.12x = 445,282.40 × 179,430.04
  4. Step 4: Simplify right side
    322,693.12x = 79,897,038,843.30
  5. Step 5: Solve for x
    x = 79,897,038,843.30/322,693.12
  6. Step 6: Final answer
    x = 247,594.49

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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.