Home / 180,795.40-270,933.90-133,037.80

Finding the Fourth Proportional to 180,795.40, 270,933.90 and 133,037.80

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Solution

The fourth proportional to 180,795.40, 270,933.90 and 133,037.80 is: 199,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,795.40 : 270,933.90 = 133,037.80 : x
  2. Step 2: Convert to fraction form
    180,795.40/270,933.90 = 133,037.80/x
  3. Step 3: Cross multiply
    180,795.40x = 270,933.90 × 133,037.80
  4. Step 4: Simplify right side
    180,795.40x = 36,044,450,001.42
  5. Step 5: Solve for x
    x = 36,044,450,001.42/180,795.40
  6. Step 6: Final answer
    x = 199,365.97

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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.