Home / 293,015.28-439,522.88-105,983.04

Finding the Fourth Proportional to 293,015.28, 439,522.88 and 105,983.04

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Solution

The fourth proportional to 293,015.28, 439,522.88 and 105,983.04 is: 158,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,015.28 : 439,522.88 = 105,983.04 : x
  2. Step 2: Convert to fraction form
    293,015.28/439,522.88 = 105,983.04/x
  3. Step 3: Cross multiply
    293,015.28x = 439,522.88 × 105,983.04
  4. Step 4: Simplify right side
    293,015.28x = 46,581,970,971.96
  5. Step 5: Solve for x
    x = 46,581,970,971.96/293,015.28
  6. Step 6: Final answer
    x = 158,974.55

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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.