Home / 169,926.79-254,890.18-80,910.42

Finding the Fourth Proportional to 169,926.79, 254,890.18 and 80,910.42

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Solution

The fourth proportional to 169,926.79, 254,890.18 and 80,910.42 is: 121,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,926.79 : 254,890.18 = 80,910.42 : x
  2. Step 2: Convert to fraction form
    169,926.79/254,890.18 = 80,910.42/x
  3. Step 3: Cross multiply
    169,926.79x = 254,890.18 × 80,910.42
  4. Step 4: Simplify right side
    169,926.79x = 20,623,272,358.49
  5. Step 5: Solve for x
    x = 20,623,272,358.49/169,926.79
  6. Step 6: Final answer
    x = 121,365.63

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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.