Home / 156,627.60-235,014.30-81,832.20

Finding the Fourth Proportional to 156,627.60, 235,014.30 and 81,832.20

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Solution

The fourth proportional to 156,627.60, 235,014.30 and 81,832.20 is: 122,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.60 : 235,014.30 = 81,832.20 : x
  2. Step 2: Convert to fraction form
    156,627.60/235,014.30 = 81,832.20/x
  3. Step 3: Cross multiply
    156,627.60x = 235,014.30 × 81,832.20
  4. Step 4: Simplify right side
    156,627.60x = 19,231,737,200.46
  5. Step 5: Solve for x
    x = 19,231,737,200.46/156,627.60
  6. Step 6: Final answer
    x = 122,786.39

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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.