Home / 141,453.72-195,158.32-80,193.36

Finding the Fourth Proportional to 141,453.72, 195,158.32 and 80,193.36

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Solution

The fourth proportional to 141,453.72, 195,158.32 and 80,193.36 is: 110,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453.72 : 195,158.32 = 80,193.36 : x
  2. Step 2: Convert to fraction form
    141,453.72/195,158.32 = 80,193.36/x
  3. Step 3: Cross multiply
    141,453.72x = 195,158.32 × 80,193.36
  4. Step 4: Simplify right side
    141,453.72x = 15,650,401,412.76
  5. Step 5: Solve for x
    x = 15,650,401,412.76/141,453.72
  6. Step 6: Final answer
    x = 110,639.73

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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.