Home / 141,399.58-212,088.33-82,197.49

Finding the Fourth Proportional to 141,399.58, 212,088.33 and 82,197.49

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Solution

The fourth proportional to 141,399.58, 212,088.33 and 82,197.49 is: 123,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,399.58 : 212,088.33 = 82,197.49 : x
  2. Step 2: Convert to fraction form
    141,399.58/212,088.33 = 82,197.49/x
  3. Step 3: Cross multiply
    141,399.58x = 212,088.33 × 82,197.49
  4. Step 4: Simplify right side
    141,399.58x = 17,433,127,323.85
  5. Step 5: Solve for x
    x = 17,433,127,323.85/141,399.58
  6. Step 6: Final answer
    x = 123,289.81

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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.