Home / 144,226.50-198,903.28-120,107.33

Finding the Fourth Proportional to 144,226.50, 198,903.28 and 120,107.33

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Solution

The fourth proportional to 144,226.50, 198,903.28 and 120,107.33 is: 165,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,226.50 : 198,903.28 = 120,107.33 : x
  2. Step 2: Convert to fraction form
    144,226.50/198,903.28 = 120,107.33/x
  3. Step 3: Cross multiply
    144,226.50x = 198,903.28 × 120,107.33
  4. Step 4: Simplify right side
    144,226.50x = 23,889,741,889.04
  5. Step 5: Solve for x
    x = 23,889,741,889.04/144,226.50
  6. Step 6: Final answer
    x = 165,640.45

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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.