Home / 156,636.40-234,976.20-56,772.40

Finding the Fourth Proportional to 156,636.40, 234,976.20 and 56,772.40

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Solution

The fourth proportional to 156,636.40, 234,976.20 and 56,772.40 is: 85,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.40 : 234,976.20 = 56,772.40 : x
  2. Step 2: Convert to fraction form
    156,636.40/234,976.20 = 56,772.40/x
  3. Step 3: Cross multiply
    156,636.40x = 234,976.20 × 56,772.40
  4. Step 4: Simplify right side
    156,636.40x = 13,340,162,816.88
  5. Step 5: Solve for x
    x = 13,340,162,816.88/156,636.40
  6. Step 6: Final answer
    x = 85,166.43

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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.