Home / 156,964.30-235,486.14-68,233.66

Finding the Fourth Proportional to 156,964.30, 235,486.14 and 68,233.66

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Solution

The fourth proportional to 156,964.30, 235,486.14 and 68,233.66 is: 102,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.30 : 235,486.14 = 68,233.66 : x
  2. Step 2: Convert to fraction form
    156,964.30/235,486.14 = 68,233.66/x
  3. Step 3: Cross multiply
    156,964.30x = 235,486.14 × 68,233.66
  4. Step 4: Simplify right side
    156,964.30x = 16,068,081,211.47
  5. Step 5: Solve for x
    x = 16,068,081,211.47/156,964.30
  6. Step 6: Final answer
    x = 102,367.74

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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.