Home / 141,420.84-195,190.44-89,704.52

Finding the Fourth Proportional to 141,420.84, 195,190.44 and 89,704.52

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Solution

The fourth proportional to 141,420.84, 195,190.44 and 89,704.52 is: 123,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,420.84 : 195,190.44 = 89,704.52 : x
  2. Step 2: Convert to fraction form
    141,420.84/195,190.44 = 89,704.52/x
  3. Step 3: Cross multiply
    141,420.84x = 195,190.44 × 89,704.52
  4. Step 4: Simplify right side
    141,420.84x = 17,509,464,728.79
  5. Step 5: Solve for x
    x = 17,509,464,728.79/141,420.84
  6. Step 6: Final answer
    x = 123,811.06

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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.