Home / 141,729.28-195,588.52-77,201.51

Finding the Fourth Proportional to 141,729.28, 195,588.52 and 77,201.51

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Solution

The fourth proportional to 141,729.28, 195,588.52 and 77,201.51 is: 106,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,729.28 : 195,588.52 = 77,201.51 : x
  2. Step 2: Convert to fraction form
    141,729.28/195,588.52 = 77,201.51/x
  3. Step 3: Cross multiply
    141,729.28x = 195,588.52 × 77,201.51
  4. Step 4: Simplify right side
    141,729.28x = 15,099,727,911.72
  5. Step 5: Solve for x
    x = 15,099,727,911.72/141,729.28
  6. Step 6: Final answer
    x = 106,539.23

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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.