Home / 214,190.88-295,579.20-129,311.52

Finding the Fourth Proportional to 214,190.88, 295,579.20 and 129,311.52

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Solution

The fourth proportional to 214,190.88, 295,579.20 and 129,311.52 is: 178,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,190.88 : 295,579.20 = 129,311.52 : x
  2. Step 2: Convert to fraction form
    214,190.88/295,579.20 = 129,311.52/x
  3. Step 3: Cross multiply
    214,190.88x = 295,579.20 × 129,311.52
  4. Step 4: Simplify right side
    214,190.88x = 38,221,795,632.38
  5. Step 5: Solve for x
    x = 38,221,795,632.38/214,190.88
  6. Step 6: Final answer
    x = 178,447.35

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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.