Home / 156,091.40-233,445.90-131,208.20

Finding the Fourth Proportional to 156,091.40, 233,445.90 and 131,208.20

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Solution

The fourth proportional to 156,091.40, 233,445.90 and 131,208.20 is: 196,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,091.40 : 233,445.90 = 131,208.20 : x
  2. Step 2: Convert to fraction form
    156,091.40/233,445.90 = 131,208.20/x
  3. Step 3: Cross multiply
    156,091.40x = 233,445.90 × 131,208.20
  4. Step 4: Simplify right side
    156,091.40x = 30,630,016,336.38
  5. Step 5: Solve for x
    x = 30,630,016,336.38/156,091.40
  6. Step 6: Final answer
    x = 196,231.29

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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.