Home / 177,659.27-245,429.09-153,744.43

Finding the Fourth Proportional to 177,659.27, 245,429.09 and 153,744.43

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Solution

The fourth proportional to 177,659.27, 245,429.09 and 153,744.43 is: 212,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,659.27 : 245,429.09 = 153,744.43 : x
  2. Step 2: Convert to fraction form
    177,659.27/245,429.09 = 153,744.43/x
  3. Step 3: Cross multiply
    177,659.27x = 245,429.09 × 153,744.43
  4. Step 4: Simplify right side
    177,659.27x = 37,733,355,201.90
  5. Step 5: Solve for x
    x = 37,733,355,201.90/177,659.27
  6. Step 6: Final answer
    x = 212,391.70

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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.