Home / 189,103.01-260,910.32-131,677.79

Finding the Fourth Proportional to 189,103.01, 260,910.32 and 131,677.79

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Solution

The fourth proportional to 189,103.01, 260,910.32 and 131,677.79 is: 181,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,103.01 : 260,910.32 = 131,677.79 : x
  2. Step 2: Convert to fraction form
    189,103.01/260,910.32 = 131,677.79/x
  3. Step 3: Cross multiply
    189,103.01x = 260,910.32 × 131,677.79
  4. Step 4: Simplify right side
    189,103.01x = 34,356,092,362.85
  5. Step 5: Solve for x
    x = 34,356,092,362.85/189,103.01
  6. Step 6: Final answer
    x = 181,679.25

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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.