Home / 171,032.91-236,109.57-107,405.79

Finding the Fourth Proportional to 171,032.91, 236,109.57 and 107,405.79

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Solution

The fourth proportional to 171,032.91, 236,109.57 and 107,405.79 is: 148,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,032.91 : 236,109.57 = 107,405.79 : x
  2. Step 2: Convert to fraction form
    171,032.91/236,109.57 = 107,405.79/x
  3. Step 3: Cross multiply
    171,032.91x = 236,109.57 × 107,405.79
  4. Step 4: Simplify right side
    171,032.91x = 25,359,534,892.41
  5. Step 5: Solve for x
    x = 25,359,534,892.41/171,032.91
  6. Step 6: Final answer
    x = 148,272.84

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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.