Home / 215,072.12-296,806.38-119,582.84

Finding the Fourth Proportional to 215,072.12, 296,806.38 and 119,582.84

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Solution

The fourth proportional to 215,072.12, 296,806.38 and 119,582.84 is: 165,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,072.12 : 296,806.38 = 119,582.84 : x
  2. Step 2: Convert to fraction form
    215,072.12/296,806.38 = 119,582.84/x
  3. Step 3: Cross multiply
    215,072.12x = 296,806.38 × 119,582.84
  4. Step 4: Simplify right side
    215,072.12x = 35,492,949,850.52
  5. Step 5: Solve for x
    x = 35,492,949,850.52/215,072.12
  6. Step 6: Final answer
    x = 165,028.13

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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.