Home / 141,559.44-195,360.09-81,140.13

Finding the Fourth Proportional to 141,559.44, 195,360.09 and 81,140.13

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Solution

The fourth proportional to 141,559.44, 195,360.09 and 81,140.13 is: 111,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,559.44 : 195,360.09 = 81,140.13 : x
  2. Step 2: Convert to fraction form
    141,559.44/195,360.09 = 81,140.13/x
  3. Step 3: Cross multiply
    141,559.44x = 195,360.09 × 81,140.13
  4. Step 4: Simplify right side
    141,559.44x = 15,851,543,099.41
  5. Step 5: Solve for x
    x = 15,851,543,099.41/141,559.44
  6. Step 6: Final answer
    x = 111,978.00

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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.