Home / 156,964.94-235,442.18-68,218.52

Finding the Fourth Proportional to 156,964.94, 235,442.18 and 68,218.52

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Solution

The fourth proportional to 156,964.94, 235,442.18 and 68,218.52 is: 102,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.94 : 235,442.18 = 68,218.52 : x
  2. Step 2: Convert to fraction form
    156,964.94/235,442.18 = 68,218.52/x
  3. Step 3: Cross multiply
    156,964.94x = 235,442.18 × 68,218.52
  4. Step 4: Simplify right side
    156,964.94x = 16,061,517,065.17
  5. Step 5: Solve for x
    x = 16,061,517,065.17/156,964.94
  6. Step 6: Final answer
    x = 102,325.51

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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.