Home / 156,636.15-234,790.20-61,829.70

Finding the Fourth Proportional to 156,636.15, 234,790.20 and 61,829.70

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Solution

The fourth proportional to 156,636.15, 234,790.20 and 61,829.70 is: 92,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.15 : 234,790.20 = 61,829.70 : x
  2. Step 2: Convert to fraction form
    156,636.15/234,790.20 = 61,829.70/x
  3. Step 3: Cross multiply
    156,636.15x = 234,790.20 × 61,829.70
  4. Step 4: Simplify right side
    156,636.15x = 14,517,007,628.94
  5. Step 5: Solve for x
    x = 14,517,007,628.94/156,636.15
  6. Step 6: Final answer
    x = 92,679.80

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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.