Home / 144,286.18-199,114.51-80,624.04

Finding the Fourth Proportional to 144,286.18, 199,114.51 and 80,624.04

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Solution

The fourth proportional to 144,286.18, 199,114.51 and 80,624.04 is: 111,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,286.18 : 199,114.51 = 80,624.04 : x
  2. Step 2: Convert to fraction form
    144,286.18/199,114.51 = 80,624.04/x
  3. Step 3: Cross multiply
    144,286.18x = 199,114.51 × 80,624.04
  4. Step 4: Simplify right side
    144,286.18x = 16,053,416,218.82
  5. Step 5: Solve for x
    x = 16,053,416,218.82/144,286.18
  6. Step 6: Final answer
    x = 111,260.94

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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.