Home / 219,051.88-328,577.92-92,659.36

Finding the Fourth Proportional to 219,051.88, 328,577.92 and 92,659.36

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Solution

The fourth proportional to 219,051.88, 328,577.92 and 92,659.36 is: 138,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,051.88 : 328,577.92 = 92,659.36 : x
  2. Step 2: Convert to fraction form
    219,051.88/328,577.92 = 92,659.36/x
  3. Step 3: Cross multiply
    219,051.88x = 328,577.92 × 92,659.36
  4. Step 4: Simplify right side
    219,051.88x = 30,445,819,777.33
  5. Step 5: Solve for x
    x = 30,445,819,777.33/219,051.88
  6. Step 6: Final answer
    x = 138,989.08

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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.