Home / 295,278.60-442,917.90-108,265.80

Finding the Fourth Proportional to 295,278.60, 442,917.90 and 108,265.80

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Solution

The fourth proportional to 295,278.60, 442,917.90 and 108,265.80 is: 162,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,278.60 : 442,917.90 = 108,265.80 : x
  2. Step 2: Convert to fraction form
    295,278.60/442,917.90 = 108,265.80/x
  3. Step 3: Cross multiply
    295,278.60x = 442,917.90 × 108,265.80
  4. Step 4: Simplify right side
    295,278.60x = 47,952,860,777.82
  5. Step 5: Solve for x
    x = 47,952,860,777.82/295,278.60
  6. Step 6: Final answer
    x = 162,398.70

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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.