Home / 293,453.12-440,354.56-106,479.20

Finding the Fourth Proportional to 293,453.12, 440,354.56 and 106,479.20

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Solution

The fourth proportional to 293,453.12, 440,354.56 and 106,479.20 is: 159,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,453.12 : 440,354.56 = 106,479.20 : x
  2. Step 2: Convert to fraction form
    293,453.12/440,354.56 = 106,479.20/x
  3. Step 3: Cross multiply
    293,453.12x = 440,354.56 × 106,479.20
  4. Step 4: Simplify right side
    293,453.12x = 46,888,601,265.15
  5. Step 5: Solve for x
    x = 46,888,601,265.15/293,453.12
  6. Step 6: Final answer
    x = 159,782.26

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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.