Home / 423,526.22-635,306.66-107,991.34

Finding the Fourth Proportional to 423,526.22, 635,306.66 and 107,991.34

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Solution

The fourth proportional to 423,526.22, 635,306.66 and 107,991.34 is: 161,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,526.22 : 635,306.66 = 107,991.34 : x
  2. Step 2: Convert to fraction form
    423,526.22/635,306.66 = 107,991.34/x
  3. Step 3: Cross multiply
    423,526.22x = 635,306.66 × 107,991.34
  4. Step 4: Simplify right side
    423,526.22x = 68,607,617,524.32
  5. Step 5: Solve for x
    x = 68,607,617,524.32/423,526.22
  6. Step 6: Final answer
    x = 161,991.43

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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.