Home / 141,614.10-195,404.60-81,173.63

Finding the Fourth Proportional to 141,614.10, 195,404.60 and 81,173.63

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Solution

The fourth proportional to 141,614.10, 195,404.60 and 81,173.63 is: 112,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,614.10 : 195,404.60 = 81,173.63 : x
  2. Step 2: Convert to fraction form
    141,614.10/195,404.60 = 81,173.63/x
  3. Step 3: Cross multiply
    141,614.10x = 195,404.60 × 81,173.63
  4. Step 4: Simplify right side
    141,614.10x = 15,861,699,317.81
  5. Step 5: Solve for x
    x = 15,861,699,317.81/141,614.10
  6. Step 6: Final answer
    x = 112,006.50

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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.