Home / 189,595.24-261,630.66-109,009.96

Finding the Fourth Proportional to 189,595.24, 261,630.66 and 109,009.96

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Solution

The fourth proportional to 189,595.24, 261,630.66 and 109,009.96 is: 150,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,595.24 : 261,630.66 = 109,009.96 : x
  2. Step 2: Convert to fraction form
    189,595.24/261,630.66 = 109,009.96/x
  3. Step 3: Cross multiply
    189,595.24x = 261,630.66 × 109,009.96
  4. Step 4: Simplify right side
    189,595.24x = 28,520,347,781.37
  5. Step 5: Solve for x
    x = 28,520,347,781.37/189,595.24
  6. Step 6: Final answer
    x = 150,427.55

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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.