Home / 141,575.12-195,363.60-84,211.28

Finding the Fourth Proportional to 141,575.12, 195,363.60 and 84,211.28

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Solution

The fourth proportional to 141,575.12, 195,363.60 and 84,211.28 is: 116,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,575.12 : 195,363.60 = 84,211.28 : x
  2. Step 2: Convert to fraction form
    141,575.12/195,363.60 = 84,211.28/x
  3. Step 3: Cross multiply
    141,575.12x = 195,363.60 × 84,211.28
  4. Step 4: Simplify right side
    141,575.12x = 16,451,818,821.41
  5. Step 5: Solve for x
    x = 16,451,818,821.41/141,575.12
  6. Step 6: Final answer
    x = 116,205.58

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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.