Home / 338,321.48-507,490.46-113,685.17

Finding the Fourth Proportional to 338,321.48, 507,490.46 and 113,685.17

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Solution

The fourth proportional to 338,321.48, 507,490.46 and 113,685.17 is: 170,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,321.48 : 507,490.46 = 113,685.17 : x
  2. Step 2: Convert to fraction form
    338,321.48/507,490.46 = 113,685.17/x
  3. Step 3: Cross multiply
    338,321.48x = 507,490.46 × 113,685.17
  4. Step 4: Simplify right side
    338,321.48x = 57,694,138,650.05
  5. Step 5: Solve for x
    x = 57,694,138,650.05/338,321.48
  6. Step 6: Final answer
    x = 170,530.52

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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.