Home / 141,325.40-195,028.47-80,895.75

Finding the Fourth Proportional to 141,325.40, 195,028.47 and 80,895.75

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Solution

The fourth proportional to 141,325.40, 195,028.47 and 80,895.75 is: 111,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,325.40 : 195,028.47 = 80,895.75 : x
  2. Step 2: Convert to fraction form
    141,325.40/195,028.47 = 80,895.75/x
  3. Step 3: Cross multiply
    141,325.40x = 195,028.47 × 80,895.75
  4. Step 4: Simplify right side
    141,325.40x = 15,776,974,352.00
  5. Step 5: Solve for x
    x = 15,776,974,352.00/141,325.40
  6. Step 6: Final answer
    x = 111,635.80

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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.