Home / 156,909.03-235,231.26-68,095.63

Finding the Fourth Proportional to 156,909.03, 235,231.26 and 68,095.63

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Solution

The fourth proportional to 156,909.03, 235,231.26 and 68,095.63 is: 102,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,909.03 : 235,231.26 = 68,095.63 : x
  2. Step 2: Convert to fraction form
    156,909.03/235,231.26 = 68,095.63/x
  3. Step 3: Cross multiply
    156,909.03x = 235,231.26 × 68,095.63
  4. Step 4: Simplify right side
    156,909.03x = 16,018,220,845.39
  5. Step 5: Solve for x
    x = 16,018,220,845.39/156,909.03
  6. Step 6: Final answer
    x = 102,086.04

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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.