Home / 331,776.04-457,898.34-188,507.56

Finding the Fourth Proportional to 331,776.04, 457,898.34 and 188,507.56

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Solution

The fourth proportional to 331,776.04, 457,898.34 and 188,507.56 is: 260,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776.04 : 457,898.34 = 188,507.56 : x
  2. Step 2: Convert to fraction form
    331,776.04/457,898.34 = 188,507.56/x
  3. Step 3: Cross multiply
    331,776.04x = 457,898.34 × 188,507.56
  4. Step 4: Simplify right side
    331,776.04x = 86,317,298,801.45
  5. Step 5: Solve for x
    x = 86,317,298,801.45/331,776.04
  6. Step 6: Final answer
    x = 260,167.37

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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.