Home / 189,441.24-261,523.44-117,844.32

Finding the Fourth Proportional to 189,441.24, 261,523.44 and 117,844.32

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Solution

The fourth proportional to 189,441.24, 261,523.44 and 117,844.32 is: 162,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,441.24 : 261,523.44 = 117,844.32 : x
  2. Step 2: Convert to fraction form
    189,441.24/261,523.44 = 117,844.32/x
  3. Step 3: Cross multiply
    189,441.24x = 261,523.44 × 117,844.32
  4. Step 4: Simplify right side
    189,441.24x = 30,819,051,950.86
  5. Step 5: Solve for x
    x = 30,819,051,950.86/189,441.24
  6. Step 6: Final answer
    x = 162,683.96

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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.