Home / 156,961.94-235,437.68-68,215.52

Finding the Fourth Proportional to 156,961.94, 235,437.68 and 68,215.52

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Solution

The fourth proportional to 156,961.94, 235,437.68 and 68,215.52 is: 102,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.94 : 235,437.68 = 68,215.52 : x
  2. Step 2: Convert to fraction form
    156,961.94/235,437.68 = 68,215.52/x
  3. Step 3: Cross multiply
    156,961.94x = 235,437.68 × 68,215.52
  4. Step 4: Simplify right side
    156,961.94x = 16,060,503,768.79
  5. Step 5: Solve for x
    x = 16,060,503,768.79/156,961.94
  6. Step 6: Final answer
    x = 102,321.01

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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.