Home / 115,864.40-173,634.60-92,212.40

Finding the Fourth Proportional to 115,864.40, 173,634.60 and 92,212.40

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Solution

The fourth proportional to 115,864.40, 173,634.60 and 92,212.40 is: 138,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,864.40 : 173,634.60 = 92,212.40 : x
  2. Step 2: Convert to fraction form
    115,864.40/173,634.60 = 92,212.40/x
  3. Step 3: Cross multiply
    115,864.40x = 173,634.60 × 92,212.40
  4. Step 4: Simplify right side
    115,864.40x = 16,011,263,189.04
  5. Step 5: Solve for x
    x = 16,011,263,189.04/115,864.40
  6. Step 6: Final answer
    x = 138,189.67

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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.