Home / 141,598.54-195,406.68-81,172.81

Finding the Fourth Proportional to 141,598.54, 195,406.68 and 81,172.81

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Solution

The fourth proportional to 141,598.54, 195,406.68 and 81,172.81 is: 112,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,598.54 : 195,406.68 = 81,172.81 : x
  2. Step 2: Convert to fraction form
    141,598.54/195,406.68 = 81,172.81/x
  3. Step 3: Cross multiply
    141,598.54x = 195,406.68 × 81,172.81
  4. Step 4: Simplify right side
    141,598.54x = 15,861,709,308.37
  5. Step 5: Solve for x
    x = 15,861,709,308.37/141,598.54
  6. Step 6: Final answer
    x = 112,018.88

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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.