Home / 189,528.27-261,489.74-108,926.25

Finding the Fourth Proportional to 189,528.27, 261,489.74 and 108,926.25

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Solution

The fourth proportional to 189,528.27, 261,489.74 and 108,926.25 is: 150,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,528.27 : 261,489.74 = 108,926.25 : x
  2. Step 2: Convert to fraction form
    189,528.27/261,489.74 = 108,926.25/x
  3. Step 3: Cross multiply
    189,528.27x = 261,489.74 × 108,926.25
  4. Step 4: Simplify right side
    189,528.27x = 28,483,096,791.68
  5. Step 5: Solve for x
    x = 28,483,096,791.68/189,528.27
  6. Step 6: Final answer
    x = 150,284.16

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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.