Home / 331,675.08-457,723.92-188,459.28

Finding the Fourth Proportional to 331,675.08, 457,723.92 and 188,459.28

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Solution

The fourth proportional to 331,675.08, 457,723.92 and 188,459.28 is: 260,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,675.08 : 457,723.92 = 188,459.28 : x
  2. Step 2: Convert to fraction form
    331,675.08/457,723.92 = 188,459.28/x
  3. Step 3: Cross multiply
    331,675.08x = 457,723.92 × 188,459.28
  4. Step 4: Simplify right side
    331,675.08x = 86,262,320,401.98
  5. Step 5: Solve for x
    x = 86,262,320,401.98/331,675.08
  6. Step 6: Final answer
    x = 260,080.80

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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.