Home / 141,193.40-194,847.12-77,535.23

Finding the Fourth Proportional to 141,193.40, 194,847.12 and 77,535.23

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Solution

The fourth proportional to 141,193.40, 194,847.12 and 77,535.23 is: 106,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,193.40 : 194,847.12 = 77,535.23 : x
  2. Step 2: Convert to fraction form
    141,193.40/194,847.12 = 77,535.23/x
  3. Step 3: Cross multiply
    141,193.40x = 194,847.12 × 77,535.23
  4. Step 4: Simplify right side
    141,193.40x = 15,107,515,289.80
  5. Step 5: Solve for x
    x = 15,107,515,289.80/141,193.40
  6. Step 6: Final answer
    x = 106,998.74

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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.