Home / 141,896.40-195,840.36-85,338.96

Finding the Fourth Proportional to 141,896.40, 195,840.36 and 85,338.96

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Solution

The fourth proportional to 141,896.40, 195,840.36 and 85,338.96 is: 117,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,896.40 : 195,840.36 = 85,338.96 : x
  2. Step 2: Convert to fraction form
    141,896.40/195,840.36 = 85,338.96/x
  3. Step 3: Cross multiply
    141,896.40x = 195,840.36 × 85,338.96
  4. Step 4: Simplify right side
    141,896.40x = 16,712,812,648.43
  5. Step 5: Solve for x
    x = 16,712,812,648.43/141,896.40
  6. Step 6: Final answer
    x = 117,781.79

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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.