Home / 169,032.72-253,554.96-80,240.48

Finding the Fourth Proportional to 169,032.72, 253,554.96 and 80,240.48

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Solution

The fourth proportional to 169,032.72, 253,554.96 and 80,240.48 is: 120,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,032.72 : 253,554.96 = 80,240.48 : x
  2. Step 2: Convert to fraction form
    169,032.72/253,554.96 = 80,240.48/x
  3. Step 3: Cross multiply
    169,032.72x = 253,554.96 × 80,240.48
  4. Step 4: Simplify right side
    169,032.72x = 20,345,371,696.78
  5. Step 5: Solve for x
    x = 20,345,371,696.78/169,032.72
  6. Step 6: Final answer
    x = 120,363.51

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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.