Home / 120,324.20-166,091.19-70,023.20

Finding the Fourth Proportional to 120,324.20, 166,091.19 and 70,023.20

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Solution

The fourth proportional to 120,324.20, 166,091.19 and 70,023.20 is: 96,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,324.20 : 166,091.19 = 70,023.20 : x
  2. Step 2: Convert to fraction form
    120,324.20/166,091.19 = 70,023.20/x
  3. Step 3: Cross multiply
    120,324.20x = 166,091.19 × 70,023.20
  4. Step 4: Simplify right side
    120,324.20x = 11,630,235,785.15
  5. Step 5: Solve for x
    x = 11,630,235,785.15/120,324.20
  6. Step 6: Final answer
    x = 96,657.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.