Home / 331,688.25-457,724.72-186,494.17

Finding the Fourth Proportional to 331,688.25, 457,724.72 and 186,494.17

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Solution

The fourth proportional to 331,688.25, 457,724.72 and 186,494.17 is: 257,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,688.25 : 457,724.72 = 186,494.17 : x
  2. Step 2: Convert to fraction form
    331,688.25/457,724.72 = 186,494.17/x
  3. Step 3: Cross multiply
    331,688.25x = 457,724.72 × 186,494.17
  4. Step 4: Simplify right side
    331,688.25x = 85,362,991,744.88
  5. Step 5: Solve for x
    x = 85,362,991,744.88/331,688.25
  6. Step 6: Final answer
    x = 257,359.11

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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.