Home / 177,945.29-245,581.20-106,323.78

Finding the Fourth Proportional to 177,945.29, 245,581.20 and 106,323.78

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Solution

The fourth proportional to 177,945.29, 245,581.20 and 106,323.78 is: 146,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,945.29 : 245,581.20 = 106,323.78 : x
  2. Step 2: Convert to fraction form
    177,945.29/245,581.20 = 106,323.78/x
  3. Step 3: Cross multiply
    177,945.29x = 245,581.20 × 106,323.78
  4. Step 4: Simplify right side
    177,945.29x = 26,111,121,480.94
  5. Step 5: Solve for x
    x = 26,111,121,480.94/177,945.29
  6. Step 6: Final answer
    x = 146,736.80

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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.