Home / 169,828.80-254,743.20-91,096.80

Finding the Fourth Proportional to 169,828.80, 254,743.20 and 91,096.80

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Solution

The fourth proportional to 169,828.80, 254,743.20 and 91,096.80 is: 136,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,828.80 : 254,743.20 = 91,096.80 : x
  2. Step 2: Convert to fraction form
    169,828.80/254,743.20 = 91,096.80/x
  3. Step 3: Cross multiply
    169,828.80x = 254,743.20 × 91,096.80
  4. Step 4: Simplify right side
    169,828.80x = 23,206,290,341.76
  5. Step 5: Solve for x
    x = 23,206,290,341.76/169,828.80
  6. Step 6: Final answer
    x = 136,645.20

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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.