Home / 192,666.32-289,082.51-80,368.65

Finding the Fourth Proportional to 192,666.32, 289,082.51 and 80,368.65

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Solution

The fourth proportional to 192,666.32, 289,082.51 and 80,368.65 is: 120,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,666.32 : 289,082.51 = 80,368.65 : x
  2. Step 2: Convert to fraction form
    192,666.32/289,082.51 = 80,368.65/x
  3. Step 3: Cross multiply
    192,666.32x = 289,082.51 × 80,368.65
  4. Step 4: Simplify right side
    192,666.32x = 23,233,171,067.31
  5. Step 5: Solve for x
    x = 23,233,171,067.31/192,666.32
  6. Step 6: Final answer
    x = 120,587.61

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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.