Home / 189,244.09-261,144.90-108,614.86

Finding the Fourth Proportional to 189,244.09, 261,144.90 and 108,614.86

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Solution

The fourth proportional to 189,244.09, 261,144.90 and 108,614.86 is: 149,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,244.09 : 261,144.90 = 108,614.86 : x
  2. Step 2: Convert to fraction form
    189,244.09/261,144.90 = 108,614.86/x
  3. Step 3: Cross multiply
    189,244.09x = 261,144.90 × 108,614.86
  4. Step 4: Simplify right side
    189,244.09x = 28,364,216,753.21
  5. Step 5: Solve for x
    x = 28,364,216,753.21/189,244.09
  6. Step 6: Final answer
    x = 149,881.65

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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.