Home / 156,016.80-234,025.20-154,461.60

Finding the Fourth Proportional to 156,016.80, 234,025.20 and 154,461.60

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Solution

The fourth proportional to 156,016.80, 234,025.20 and 154,461.60 is: 231,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,016.80 : 234,025.20 = 154,461.60 : x
  2. Step 2: Convert to fraction form
    156,016.80/234,025.20 = 154,461.60/x
  3. Step 3: Cross multiply
    156,016.80x = 234,025.20 × 154,461.60
  4. Step 4: Simplify right side
    156,016.80x = 36,147,906,832.32
  5. Step 5: Solve for x
    x = 36,147,906,832.32/156,016.80
  6. Step 6: Final answer
    x = 231,692.40

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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.