Home / 169,034.72-253,557.96-80,242.48

Finding the Fourth Proportional to 169,034.72, 253,557.96 and 80,242.48

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Solution

The fourth proportional to 169,034.72, 253,557.96 and 80,242.48 is: 120,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,034.72 : 253,557.96 = 80,242.48 : x
  2. Step 2: Convert to fraction form
    169,034.72/253,557.96 = 80,242.48/x
  3. Step 3: Cross multiply
    169,034.72x = 253,557.96 × 80,242.48
  4. Step 4: Simplify right side
    169,034.72x = 20,346,119,534.14
  5. Step 5: Solve for x
    x = 20,346,119,534.14/169,034.72
  6. Step 6: Final answer
    x = 120,366.51

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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.