Home / 156,920.40-235,380.60-57,083.85

Finding the Fourth Proportional to 156,920.40, 235,380.60 and 57,083.85

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Solution

The fourth proportional to 156,920.40, 235,380.60 and 57,083.85 is: 85,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.40 : 235,380.60 = 57,083.85 : x
  2. Step 2: Convert to fraction form
    156,920.40/235,380.60 = 57,083.85/x
  3. Step 3: Cross multiply
    156,920.40x = 235,380.60 × 57,083.85
  4. Step 4: Simplify right side
    156,920.40x = 13,436,430,863.31
  5. Step 5: Solve for x
    x = 13,436,430,863.31/156,920.40
  6. Step 6: Final answer
    x = 85,625.78

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1.5x scale

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.