Home / 156,487.44-215,946.84-92,787.12

Finding the Fourth Proportional to 156,487.44, 215,946.84 and 92,787.12

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Solution

The fourth proportional to 156,487.44, 215,946.84 and 92,787.12 is: 128,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,487.44 : 215,946.84 = 92,787.12 : x
  2. Step 2: Convert to fraction form
    156,487.44/215,946.84 = 92,787.12/x
  3. Step 3: Cross multiply
    156,487.44x = 215,946.84 × 92,787.12
  4. Step 4: Simplify right side
    156,487.44x = 20,037,085,356.70
  5. Step 5: Solve for x
    x = 20,037,085,356.70/156,487.44
  6. Step 6: Final answer
    x = 128,042.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.