Home / 131,825.09-197,771.31-38,330.84

Finding the Fourth Proportional to 131,825.09, 197,771.31 and 38,330.84

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Solution

The fourth proportional to 131,825.09, 197,771.31 and 38,330.84 is: 57,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.09 : 197,771.31 = 38,330.84 : x
  2. Step 2: Convert to fraction form
    131,825.09/197,771.31 = 38,330.84/x
  3. Step 3: Cross multiply
    131,825.09x = 197,771.31 × 38,330.84
  4. Step 4: Simplify right side
    131,825.09x = 7,580,739,451.34
  5. Step 5: Solve for x
    x = 7,580,739,451.34/131,825.09
  6. Step 6: Final answer
    x = 57,506.05

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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.