Home / 131,189.20-196,762.68-37,673.68

Finding the Fourth Proportional to 131,189.20, 196,762.68 and 37,673.68

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Solution

The fourth proportional to 131,189.20, 196,762.68 and 37,673.68 is: 56,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,189.20 : 196,762.68 = 37,673.68 : x
  2. Step 2: Convert to fraction form
    131,189.20/196,762.68 = 37,673.68/x
  3. Step 3: Cross multiply
    131,189.20x = 196,762.68 × 37,673.68
  4. Step 4: Simplify right side
    131,189.20x = 7,412,774,242.26
  5. Step 5: Solve for x
    x = 7,412,774,242.26/131,189.20
  6. Step 6: Final answer
    x = 56,504.45

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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.