Home / 214,817.32-296,400.18-129,932.56

Finding the Fourth Proportional to 214,817.32, 296,400.18 and 129,932.56

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Solution

The fourth proportional to 214,817.32, 296,400.18 and 129,932.56 is: 179,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,817.32 : 296,400.18 = 129,932.56 : x
  2. Step 2: Convert to fraction form
    214,817.32/296,400.18 = 129,932.56/x
  3. Step 3: Cross multiply
    214,817.32x = 296,400.18 × 129,932.56
  4. Step 4: Simplify right side
    214,817.32x = 38,512,034,171.86
  5. Step 5: Solve for x
    x = 38,512,034,171.86/214,817.32
  6. Step 6: Final answer
    x = 179,278.07

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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.