Home / 141,322.71-195,023.16-77,659.14

Finding the Fourth Proportional to 141,322.71, 195,023.16 and 77,659.14

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Solution

The fourth proportional to 141,322.71, 195,023.16 and 77,659.14 is: 107,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,322.71 : 195,023.16 = 77,659.14 : x
  2. Step 2: Convert to fraction form
    141,322.71/195,023.16 = 77,659.14/x
  3. Step 3: Cross multiply
    141,322.71x = 195,023.16 × 77,659.14
  4. Step 4: Simplify right side
    141,322.71x = 15,145,330,885.68
  5. Step 5: Solve for x
    x = 15,145,330,885.68/141,322.71
  6. Step 6: Final answer
    x = 107,168.42

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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.