Home / 156,968.60-235,447.65-68,222.12

Finding the Fourth Proportional to 156,968.60, 235,447.65 and 68,222.12

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Solution

The fourth proportional to 156,968.60, 235,447.65 and 68,222.12 is: 102,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.60 : 235,447.65 = 68,222.12 : x
  2. Step 2: Convert to fraction form
    156,968.60/235,447.65 = 68,222.12/x
  3. Step 3: Cross multiply
    156,968.60x = 235,447.65 × 68,222.12
  4. Step 4: Simplify right side
    156,968.60x = 16,062,737,832.02
  5. Step 5: Solve for x
    x = 16,062,737,832.02/156,968.60
  6. Step 6: Final answer
    x = 102,330.90

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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.