Home / 141,675.36-195,512.58-85,087.68

Finding the Fourth Proportional to 141,675.36, 195,512.58 and 85,087.68

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Solution

The fourth proportional to 141,675.36, 195,512.58 and 85,087.68 is: 117,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,675.36 : 195,512.58 = 85,087.68 : x
  2. Step 2: Convert to fraction form
    141,675.36/195,512.58 = 85,087.68/x
  3. Step 3: Cross multiply
    141,675.36x = 195,512.58 × 85,087.68
  4. Step 4: Simplify right side
    141,675.36x = 16,635,711,843.01
  5. Step 5: Solve for x
    x = 16,635,711,843.01/141,675.36
  6. Step 6: Final answer
    x = 117,421.35

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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.