Home / 141,235.50-194,922.27-81,619.50

Finding the Fourth Proportional to 141,235.50, 194,922.27 and 81,619.50

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Solution

The fourth proportional to 141,235.50, 194,922.27 and 81,619.50 is: 112,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,235.50 : 194,922.27 = 81,619.50 : x
  2. Step 2: Convert to fraction form
    141,235.50/194,922.27 = 81,619.50/x
  3. Step 3: Cross multiply
    141,235.50x = 194,922.27 × 81,619.50
  4. Step 4: Simplify right side
    141,235.50x = 15,909,458,216.27
  5. Step 5: Solve for x
    x = 15,909,458,216.27/141,235.50
  6. Step 6: Final answer
    x = 112,644.90

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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.