Home / 135,467.20-203,332.02-65,395.72

Finding the Fourth Proportional to 135,467.20, 203,332.02 and 65,395.72

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Solution

The fourth proportional to 135,467.20, 203,332.02 and 65,395.72 is: 98,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,467.20 : 203,332.02 = 65,395.72 : x
  2. Step 2: Convert to fraction form
    135,467.20/203,332.02 = 65,395.72/x
  3. Step 3: Cross multiply
    135,467.20x = 203,332.02 × 65,395.72
  4. Step 4: Simplify right side
    135,467.20x = 13,297,043,846.95
  5. Step 5: Solve for x
    x = 13,297,043,846.95/135,467.20
  6. Step 6: Final answer
    x = 98,156.93

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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.