Home / 139,193.38-208,787.50-44,422.80

Finding the Fourth Proportional to 139,193.38, 208,787.50 and 44,422.80

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Solution

The fourth proportional to 139,193.38, 208,787.50 and 44,422.80 is: 66,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,193.38 : 208,787.50 = 44,422.80 : x
  2. Step 2: Convert to fraction form
    139,193.38/208,787.50 = 44,422.80/x
  3. Step 3: Cross multiply
    139,193.38x = 208,787.50 × 44,422.80
  4. Step 4: Simplify right side
    139,193.38x = 9,274,925,355
  5. Step 5: Solve for x
    x = 9,274,925,355/139,193.38
  6. Step 6: Final answer
    x = 66,633.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.