Home / 156,911.40-235,367.10-150,787.80

Finding the Fourth Proportional to 156,911.40, 235,367.10 and 150,787.80

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Solution

The fourth proportional to 156,911.40, 235,367.10 and 150,787.80 is: 226,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.40 : 235,367.10 = 150,787.80 : x
  2. Step 2: Convert to fraction form
    156,911.40/235,367.10 = 150,787.80/x
  3. Step 3: Cross multiply
    156,911.40x = 235,367.10 × 150,787.80
  4. Step 4: Simplify right side
    156,911.40x = 35,490,487,201.38
  5. Step 5: Solve for x
    x = 35,490,487,201.38/156,911.40
  6. Step 6: Final answer
    x = 226,181.70

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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.