Home / 214,788.78-322,157.93-57,029.40

Finding the Fourth Proportional to 214,788.78, 322,157.93 and 57,029.40

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Solution

The fourth proportional to 214,788.78, 322,157.93 and 57,029.40 is: 85,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,788.78 : 322,157.93 = 57,029.40 : x
  2. Step 2: Convert to fraction form
    214,788.78/322,157.93 = 57,029.40/x
  3. Step 3: Cross multiply
    214,788.78x = 322,157.93 × 57,029.40
  4. Step 4: Simplify right side
    214,788.78x = 18,372,473,168.00
  5. Step 5: Solve for x
    x = 18,372,473,168.00/214,788.78
  6. Step 6: Final answer
    x = 85,537.40

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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.