Home / 141,614.76-195,405.50-81,174.28

Finding the Fourth Proportional to 141,614.76, 195,405.50 and 81,174.28

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Solution

The fourth proportional to 141,614.76, 195,405.50 and 81,174.28 is: 112,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,614.76 : 195,405.50 = 81,174.28 : x
  2. Step 2: Convert to fraction form
    141,614.76/195,405.50 = 81,174.28/x
  3. Step 3: Cross multiply
    141,614.76x = 195,405.50 × 81,174.28
  4. Step 4: Simplify right side
    141,614.76x = 15,861,900,770.54
  5. Step 5: Solve for x
    x = 15,861,900,770.54/141,614.76
  6. Step 6: Final answer
    x = 112,007.40

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1.5x scale

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.