Home / 156,965.62-235,443.14-68,219.14

Finding the Fourth Proportional to 156,965.62, 235,443.14 and 68,219.14

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Solution

The fourth proportional to 156,965.62, 235,443.14 and 68,219.14 is: 102,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.62 : 235,443.14 = 68,219.14 : x
  2. Step 2: Convert to fraction form
    156,965.62/235,443.14 = 68,219.14/x
  3. Step 3: Cross multiply
    156,965.62x = 235,443.14 × 68,219.14
  4. Step 4: Simplify right side
    156,965.62x = 16,061,727,352.48
  5. Step 5: Solve for x
    x = 16,061,727,352.48/156,965.62
  6. Step 6: Final answer
    x = 102,326.40

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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.