Home / 214,892.14-322,402.61-86,742.45

Finding the Fourth Proportional to 214,892.14, 322,402.61 and 86,742.45

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Solution

The fourth proportional to 214,892.14, 322,402.61 and 86,742.45 is: 130,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,892.14 : 322,402.61 = 86,742.45 : x
  2. Step 2: Convert to fraction form
    214,892.14/322,402.61 = 86,742.45/x
  3. Step 3: Cross multiply
    214,892.14x = 322,402.61 × 86,742.45
  4. Step 4: Simplify right side
    214,892.14x = 27,965,992,277.79
  5. Step 5: Solve for x
    x = 27,965,992,277.79/214,892.14
  6. Step 6: Final answer
    x = 130,139.67

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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.