Home / 141,028.44-194,615.91-77,365.68

Finding the Fourth Proportional to 141,028.44, 194,615.91 and 77,365.68

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Solution

The fourth proportional to 141,028.44, 194,615.91 and 77,365.68 is: 106,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,028.44 : 194,615.91 = 77,365.68 : x
  2. Step 2: Convert to fraction form
    141,028.44/194,615.91 = 77,365.68/x
  3. Step 3: Cross multiply
    141,028.44x = 194,615.91 × 77,365.68
  4. Step 4: Simplify right side
    141,028.44x = 15,056,592,215.97
  5. Step 5: Solve for x
    x = 15,056,592,215.97/141,028.44
  6. Step 6: Final answer
    x = 106,762.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.