Home / 309,012.48-463,446-174,135.36

Finding the Fourth Proportional to 309,012.48, 463,446 and 174,135.36

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Solution

The fourth proportional to 309,012.48, 463,446 and 174,135.36 is: 261,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,012.48 : 463,446 = 174,135.36 : x
  2. Step 2: Convert to fraction form
    309,012.48/463,446 = 174,135.36/x
  3. Step 3: Cross multiply
    309,012.48x = 463,446 × 174,135.36
  4. Step 4: Simplify right side
    309,012.48x = 80,702,336,050.56
  5. Step 5: Solve for x
    x = 80,702,336,050.56/309,012.48
  6. Step 6: Final answer
    x = 261,162.06

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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.