Home / 141,668.80-195,504.24-78,008.08

Finding the Fourth Proportional to 141,668.80, 195,504.24 and 78,008.08

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Solution

The fourth proportional to 141,668.80, 195,504.24 and 78,008.08 is: 107,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,668.80 : 195,504.24 = 78,008.08 : x
  2. Step 2: Convert to fraction form
    141,668.80/195,504.24 = 78,008.08/x
  3. Step 3: Cross multiply
    141,668.80x = 195,504.24 × 78,008.08
  4. Step 4: Simplify right side
    141,668.80x = 15,250,910,394.26
  5. Step 5: Solve for x
    x = 15,250,910,394.26/141,668.80
  6. Step 6: Final answer
    x = 107,651.86

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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.