Home / 156,966.37-235,444.27-68,219.88

Finding the Fourth Proportional to 156,966.37, 235,444.27 and 68,219.88

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Solution

The fourth proportional to 156,966.37, 235,444.27 and 68,219.88 is: 102,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.37 : 235,444.27 = 68,219.88 : x
  2. Step 2: Convert to fraction form
    156,966.37/235,444.27 = 68,219.88/x
  3. Step 3: Cross multiply
    156,966.37x = 235,444.27 × 68,219.88
  4. Step 4: Simplify right side
    156,966.37x = 16,061,979,846.09
  5. Step 5: Solve for x
    x = 16,061,979,846.09/156,966.37
  6. Step 6: Final answer
    x = 102,327.52

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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.