Home / 141,370.44-195,090.06-77,707.56

Finding the Fourth Proportional to 141,370.44, 195,090.06 and 77,707.56

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Solution

The fourth proportional to 141,370.44, 195,090.06 and 77,707.56 is: 107,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,370.44 : 195,090.06 = 77,707.56 : x
  2. Step 2: Convert to fraction form
    141,370.44/195,090.06 = 77,707.56/x
  3. Step 3: Cross multiply
    141,370.44x = 195,090.06 × 77,707.56
  4. Step 4: Simplify right side
    141,370.44x = 15,159,972,542.85
  5. Step 5: Solve for x
    x = 15,159,972,542.85/141,370.44
  6. Step 6: Final answer
    x = 107,235.80

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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.