Home / 134,933.60-202,011.60-120,936.80

Finding the Fourth Proportional to 134,933.60, 202,011.60 and 120,936.80

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Solution

The fourth proportional to 134,933.60, 202,011.60 and 120,936.80 is: 181,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,933.60 : 202,011.60 = 120,936.80 : x
  2. Step 2: Convert to fraction form
    134,933.60/202,011.60 = 120,936.80/x
  3. Step 3: Cross multiply
    134,933.60x = 202,011.60 × 120,936.80
  4. Step 4: Simplify right side
    134,933.60x = 24,430,636,466.88
  5. Step 5: Solve for x
    x = 24,430,636,466.88/134,933.60
  6. Step 6: Final answer
    x = 181,056.73

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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.