Home / 172,945.34-257,698.82-154,080.44

Finding the Fourth Proportional to 172,945.34, 257,698.82 and 154,080.44

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Solution

The fourth proportional to 172,945.34, 257,698.82 and 154,080.44 is: 229,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,945.34 : 257,698.82 = 154,080.44 : x
  2. Step 2: Convert to fraction form
    172,945.34/257,698.82 = 154,080.44/x
  3. Step 3: Cross multiply
    172,945.34x = 257,698.82 × 154,080.44
  4. Step 4: Simplify right side
    172,945.34x = 39,706,347,573.08
  5. Step 5: Solve for x
    x = 39,706,347,573.08/172,945.34
  6. Step 6: Final answer
    x = 229,589.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.