Home / 214,890.84-322,335.90-57,119.29

Finding the Fourth Proportional to 214,890.84, 322,335.90 and 57,119.29

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Solution

The fourth proportional to 214,890.84, 322,335.90 and 57,119.29 is: 85,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,890.84 : 322,335.90 = 57,119.29 : x
  2. Step 2: Convert to fraction form
    214,890.84/322,335.90 = 57,119.29/x
  3. Step 3: Cross multiply
    214,890.84x = 322,335.90 × 57,119.29
  4. Step 4: Simplify right side
    214,890.84x = 18,411,597,749.51
  5. Step 5: Solve for x
    x = 18,411,597,749.51/214,890.84
  6. Step 6: Final answer
    x = 85,678.84

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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.