Home / 295,024.10-442,536.15-81,791.60

Finding the Fourth Proportional to 295,024.10, 442,536.15 and 81,791.60

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Solution

The fourth proportional to 295,024.10, 442,536.15 and 81,791.60 is: 122,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,024.10 : 442,536.15 = 81,791.60 : x
  2. Step 2: Convert to fraction form
    295,024.10/442,536.15 = 81,791.60/x
  3. Step 3: Cross multiply
    295,024.10x = 442,536.15 × 81,791.60
  4. Step 4: Simplify right side
    295,024.10x = 36,195,739,766.34
  5. Step 5: Solve for x
    x = 36,195,739,766.34/295,024.10
  6. Step 6: Final answer
    x = 122,687.40

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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.