Home / 189,023.32-260,610.06-154,906.12

Finding the Fourth Proportional to 189,023.32, 260,610.06 and 154,906.12

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Solution

The fourth proportional to 189,023.32, 260,610.06 and 154,906.12 is: 213,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,023.32 : 260,610.06 = 154,906.12 : x
  2. Step 2: Convert to fraction form
    189,023.32/260,610.06 = 154,906.12/x
  3. Step 3: Cross multiply
    189,023.32x = 260,610.06 × 154,906.12
  4. Step 4: Simplify right side
    189,023.32x = 40,370,093,227.57
  5. Step 5: Solve for x
    x = 40,370,093,227.57/189,023.32
  6. Step 6: Final answer
    x = 213,572.03

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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.