Home / 167,409.24-231,026.44-90,929.07

Finding the Fourth Proportional to 167,409.24, 231,026.44 and 90,929.07

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Solution

The fourth proportional to 167,409.24, 231,026.44 and 90,929.07 is: 125,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,409.24 : 231,026.44 = 90,929.07 : x
  2. Step 2: Convert to fraction form
    167,409.24/231,026.44 = 90,929.07/x
  3. Step 3: Cross multiply
    167,409.24x = 231,026.44 × 90,929.07
  4. Step 4: Simplify right side
    167,409.24x = 21,007,019,334.61
  5. Step 5: Solve for x
    x = 21,007,019,334.61/167,409.24
  6. Step 6: Final answer
    x = 125,483.03

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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.