Home / 169,927.03-254,890.53-80,910.66

Finding the Fourth Proportional to 169,927.03, 254,890.53 and 80,910.66

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Solution

The fourth proportional to 169,927.03, 254,890.53 and 80,910.66 is: 121,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,927.03 : 254,890.53 = 80,910.66 : x
  2. Step 2: Convert to fraction form
    169,927.03/254,890.53 = 80,910.66/x
  3. Step 3: Cross multiply
    169,927.03x = 254,890.53 × 80,910.66
  4. Step 4: Simplify right side
    169,927.03x = 20,623,361,965.89
  5. Step 5: Solve for x
    x = 20,623,361,965.89/169,927.03
  6. Step 6: Final answer
    x = 121,365.99

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1.5x scale

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.