Home / 214,958.45-322,437.28-57,186.90

Finding the Fourth Proportional to 214,958.45, 322,437.28 and 57,186.90

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Solution

The fourth proportional to 214,958.45, 322,437.28 and 57,186.90 is: 85,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,958.45 : 322,437.28 = 57,186.90 : x
  2. Step 2: Convert to fraction form
    214,958.45/322,437.28 = 57,186.90/x
  3. Step 3: Cross multiply
    214,958.45x = 322,437.28 × 57,186.90
  4. Step 4: Simplify right side
    214,958.45x = 18,439,188,487.63
  5. Step 5: Solve for x
    x = 18,439,188,487.63/214,958.45
  6. Step 6: Final answer
    x = 85,780.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.