Home / 295,013.88-442,429.20-105,447.96

Finding the Fourth Proportional to 295,013.88, 442,429.20 and 105,447.96

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Solution

The fourth proportional to 295,013.88, 442,429.20 and 105,447.96 is: 158,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,013.88 : 442,429.20 = 105,447.96 : x
  2. Step 2: Convert to fraction form
    295,013.88/442,429.20 = 105,447.96/x
  3. Step 3: Cross multiply
    295,013.88x = 442,429.20 × 105,447.96
  4. Step 4: Simplify right side
    295,013.88x = 46,653,256,584.43
  5. Step 5: Solve for x
    x = 46,653,256,584.43/295,013.88
  6. Step 6: Final answer
    x = 158,139.19

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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.