Home / 189,588.88-261,646.44-109,041.67

Finding the Fourth Proportional to 189,588.88, 261,646.44 and 109,041.67

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Solution

The fourth proportional to 189,588.88, 261,646.44 and 109,041.67 is: 150,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,588.88 : 261,646.44 = 109,041.67 : x
  2. Step 2: Convert to fraction form
    189,588.88/261,646.44 = 109,041.67/x
  3. Step 3: Cross multiply
    189,588.88x = 261,646.44 × 109,041.67
  4. Step 4: Simplify right side
    189,588.88x = 28,530,364,767.15
  5. Step 5: Solve for x
    x = 28,530,364,767.15/189,588.88
  6. Step 6: Final answer
    x = 150,485.43

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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.