Home / 131,934.51-197,882.61-43,191.51

Finding the Fourth Proportional to 131,934.51, 197,882.61 and 43,191.51

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Solution

The fourth proportional to 131,934.51, 197,882.61 and 43,191.51 is: 64,780.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,934.51 : 197,882.61 = 43,191.51 : x
  2. Step 2: Convert to fraction form
    131,934.51/197,882.61 = 43,191.51/x
  3. Step 3: Cross multiply
    131,934.51x = 197,882.61 × 43,191.51
  4. Step 4: Simplify right side
    131,934.51x = 8,546,848,728.64
  5. Step 5: Solve for x
    x = 8,546,848,728.64/131,934.51
  6. Step 6: Final answer
    x = 64,780.99

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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.