Home / 141,217.50-194,897.43-81,601.50

Finding the Fourth Proportional to 141,217.50, 194,897.43 and 81,601.50

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Solution

The fourth proportional to 141,217.50, 194,897.43 and 81,601.50 is: 112,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,217.50 : 194,897.43 = 81,601.50 : x
  2. Step 2: Convert to fraction form
    141,217.50/194,897.43 = 81,601.50/x
  3. Step 3: Cross multiply
    141,217.50x = 194,897.43 × 81,601.50
  4. Step 4: Simplify right side
    141,217.50x = 15,903,922,634.15
  5. Step 5: Solve for x
    x = 15,903,922,634.15/141,217.50
  6. Step 6: Final answer
    x = 112,620.06

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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.