Home / 141,479.50-195,269.45-81,090.62

Finding the Fourth Proportional to 141,479.50, 195,269.45 and 81,090.62

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Solution

The fourth proportional to 141,479.50, 195,269.45 and 81,090.62 is: 111,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479.50 : 195,269.45 = 81,090.62 : x
  2. Step 2: Convert to fraction form
    141,479.50/195,269.45 = 81,090.62/x
  3. Step 3: Cross multiply
    141,479.50x = 195,269.45 × 81,090.62
  4. Step 4: Simplify right side
    141,479.50x = 15,834,520,232.05
  5. Step 5: Solve for x
    x = 15,834,520,232.05/141,479.50
  6. Step 6: Final answer
    x = 111,920.95

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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.