Home / 331,688.37-457,724.89-186,494.29

Finding the Fourth Proportional to 331,688.37, 457,724.89 and 186,494.29

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Solution

The fourth proportional to 331,688.37, 457,724.89 and 186,494.29 is: 257,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,688.37 : 457,724.89 = 186,494.29 : x
  2. Step 2: Convert to fraction form
    331,688.37/457,724.89 = 186,494.29/x
  3. Step 3: Cross multiply
    331,688.37x = 457,724.89 × 186,494.29
  4. Step 4: Simplify right side
    331,688.37x = 85,363,077,464.68
  5. Step 5: Solve for x
    x = 85,363,077,464.68/331,688.37
  6. Step 6: Final answer
    x = 257,359.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.