Home / 189,562.05-261,595.26-109,005.12

Finding the Fourth Proportional to 189,562.05, 261,595.26 and 109,005.12

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Solution

The fourth proportional to 189,562.05, 261,595.26 and 109,005.12 is: 150,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,562.05 : 261,595.26 = 109,005.12 : x
  2. Step 2: Convert to fraction form
    189,562.05/261,595.26 = 109,005.12/x
  3. Step 3: Cross multiply
    189,562.05x = 261,595.26 × 109,005.12
  4. Step 4: Simplify right side
    189,562.05x = 28,515,222,707.73
  5. Step 5: Solve for x
    x = 28,515,222,707.73/189,562.05
  6. Step 6: Final answer
    x = 150,426.85

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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.