Home / 141,899.40-195,844.50-85,341.96

Finding the Fourth Proportional to 141,899.40, 195,844.50 and 85,341.96

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Solution

The fourth proportional to 141,899.40, 195,844.50 and 85,341.96 is: 117,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,899.40 : 195,844.50 = 85,341.96 : x
  2. Step 2: Convert to fraction form
    141,899.40/195,844.50 = 85,341.96/x
  3. Step 3: Cross multiply
    141,899.40x = 195,844.50 × 85,341.96
  4. Step 4: Simplify right side
    141,899.40x = 16,713,753,485.22
  5. Step 5: Solve for x
    x = 16,713,753,485.22/141,899.40
  6. Step 6: Final answer
    x = 117,785.93

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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.