Home / 135,014.20-202,521.30-133,045.90

Finding the Fourth Proportional to 135,014.20, 202,521.30 and 133,045.90

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Solution

The fourth proportional to 135,014.20, 202,521.30 and 133,045.90 is: 199,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,014.20 : 202,521.30 = 133,045.90 : x
  2. Step 2: Convert to fraction form
    135,014.20/202,521.30 = 133,045.90/x
  3. Step 3: Cross multiply
    135,014.20x = 202,521.30 × 133,045.90
  4. Step 4: Simplify right side
    135,014.20x = 26,944,628,627.67
  5. Step 5: Solve for x
    x = 26,944,628,627.67/135,014.20
  6. Step 6: Final answer
    x = 199,568.85

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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.