Home / 135,231.60-202,804.20-56,326.80

Finding the Fourth Proportional to 135,231.60, 202,804.20 and 56,326.80

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Solution

The fourth proportional to 135,231.60, 202,804.20 and 56,326.80 is: 84,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,231.60 : 202,804.20 = 56,326.80 : x
  2. Step 2: Convert to fraction form
    135,231.60/202,804.20 = 56,326.80/x
  3. Step 3: Cross multiply
    135,231.60x = 202,804.20 × 56,326.80
  4. Step 4: Simplify right side
    135,231.60x = 11,423,311,612.56
  5. Step 5: Solve for x
    x = 11,423,311,612.56/135,231.60
  6. Step 6: Final answer
    x = 84,472.21

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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.