Home / 141,804.28-195,694.14-78,146.20

Finding the Fourth Proportional to 141,804.28, 195,694.14 and 78,146.20

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Solution

The fourth proportional to 141,804.28, 195,694.14 and 78,146.20 is: 107,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804.28 : 195,694.14 = 78,146.20 : x
  2. Step 2: Convert to fraction form
    141,804.28/195,694.14 = 78,146.20/x
  3. Step 3: Cross multiply
    141,804.28x = 195,694.14 × 78,146.20
  4. Step 4: Simplify right side
    141,804.28x = 15,292,753,403.27
  5. Step 5: Solve for x
    x = 15,292,753,403.27/141,804.28
  6. Step 6: Final answer
    x = 107,844.09

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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.