Home / 214,892.97-322,339.10-57,121.40

Finding the Fourth Proportional to 214,892.97, 322,339.10 and 57,121.40

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Solution

The fourth proportional to 214,892.97, 322,339.10 and 57,121.40 is: 85,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,892.97 : 322,339.10 = 57,121.40 : x
  2. Step 2: Convert to fraction form
    214,892.97/322,339.10 = 57,121.40/x
  3. Step 3: Cross multiply
    214,892.97x = 322,339.10 × 57,121.40
  4. Step 4: Simplify right side
    214,892.97x = 18,412,461,186.98
  5. Step 5: Solve for x
    x = 18,412,461,186.98/214,892.97
  6. Step 6: Final answer
    x = 85,682.01

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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.