Home / 253,131.54-379,802.07-110,903.28

Finding the Fourth Proportional to 253,131.54, 379,802.07 and 110,903.28

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Solution

The fourth proportional to 253,131.54, 379,802.07 and 110,903.28 is: 166,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,131.54 : 379,802.07 = 110,903.28 : x
  2. Step 2: Convert to fraction form
    253,131.54/379,802.07 = 110,903.28/x
  3. Step 3: Cross multiply
    253,131.54x = 379,802.07 × 110,903.28
  4. Step 4: Simplify right side
    253,131.54x = 42,121,295,313.79
  5. Step 5: Solve for x
    x = 42,121,295,313.79/253,131.54
  6. Step 6: Final answer
    x = 166,400.82

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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.