Home / 295,453.17-443,142.63-82,237.05

Finding the Fourth Proportional to 295,453.17, 443,142.63 and 82,237.05

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Solution

The fourth proportional to 295,453.17, 443,142.63 and 82,237.05 is: 123,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,453.17 : 443,142.63 = 82,237.05 : x
  2. Step 2: Convert to fraction form
    295,453.17/443,142.63 = 82,237.05/x
  3. Step 3: Cross multiply
    295,453.17x = 443,142.63 × 82,237.05
  4. Step 4: Simplify right side
    295,453.17x = 36,442,742,620.44
  5. Step 5: Solve for x
    x = 36,442,742,620.44/295,453.17
  6. Step 6: Final answer
    x = 123,345.24

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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.