Home / 142,669.20-213,744.60-116,230.80

Finding the Fourth Proportional to 142,669.20, 213,744.60 and 116,230.80

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Solution

The fourth proportional to 142,669.20, 213,744.60 and 116,230.80 is: 174,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,669.20 : 213,744.60 = 116,230.80 : x
  2. Step 2: Convert to fraction form
    142,669.20/213,744.60 = 116,230.80/x
  3. Step 3: Cross multiply
    142,669.20x = 213,744.60 × 116,230.80
  4. Step 4: Simplify right side
    142,669.20x = 24,843,705,853.68
  5. Step 5: Solve for x
    x = 24,843,705,853.68/142,669.20
  6. Step 6: Final answer
    x = 174,135.03

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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.