Home / 141,973.92-195,896.75-85,388.94

Finding the Fourth Proportional to 141,973.92, 195,896.75 and 85,388.94

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Solution

The fourth proportional to 141,973.92, 195,896.75 and 85,388.94 is: 117,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,973.92 : 195,896.75 = 85,388.94 : x
  2. Step 2: Convert to fraction form
    141,973.92/195,896.75 = 85,388.94/x
  3. Step 3: Cross multiply
    141,973.92x = 195,896.75 × 85,388.94
  4. Step 4: Simplify right side
    141,973.92x = 16,727,415,405.00
  5. Step 5: Solve for x
    x = 16,727,415,405.00/141,973.92
  6. Step 6: Final answer
    x = 117,820.34

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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.