Home / 183,531.80-275,286.64-109,125.45

Finding the Fourth Proportional to 183,531.80, 275,286.64 and 109,125.45

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Solution

The fourth proportional to 183,531.80, 275,286.64 and 109,125.45 is: 163,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,531.80 : 275,286.64 = 109,125.45 : x
  2. Step 2: Convert to fraction form
    183,531.80/275,286.64 = 109,125.45/x
  3. Step 3: Cross multiply
    183,531.80x = 275,286.64 × 109,125.45
  4. Step 4: Simplify right side
    183,531.80x = 30,040,777,801.35
  5. Step 5: Solve for x
    x = 30,040,777,801.35/183,531.80
  6. Step 6: Final answer
    x = 163,681.59

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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.