Home / 295,029.10-442,543.65-81,796.60

Finding the Fourth Proportional to 295,029.10, 442,543.65 and 81,796.60

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Solution

The fourth proportional to 295,029.10, 442,543.65 and 81,796.60 is: 122,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,029.10 : 442,543.65 = 81,796.60 : x
  2. Step 2: Convert to fraction form
    295,029.10/442,543.65 = 81,796.60/x
  3. Step 3: Cross multiply
    295,029.10x = 442,543.65 × 81,796.60
  4. Step 4: Simplify right side
    295,029.10x = 36,198,565,921.59
  5. Step 5: Solve for x
    x = 36,198,565,921.59/295,029.10
  6. Step 6: Final answer
    x = 122,694.90

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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.