Home / 170,996.73-256,451.14-80,950.65

Finding the Fourth Proportional to 170,996.73, 256,451.14 and 80,950.65

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Solution

The fourth proportional to 170,996.73, 256,451.14 and 80,950.65 is: 121,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,996.73 : 256,451.14 = 80,950.65 : x
  2. Step 2: Convert to fraction form
    170,996.73/256,451.14 = 80,950.65/x
  3. Step 3: Cross multiply
    170,996.73x = 256,451.14 × 80,950.65
  4. Step 4: Simplify right side
    170,996.73x = 20,759,886,476.24
  5. Step 5: Solve for x
    x = 20,759,886,476.24/170,996.73
  6. Step 6: Final answer
    x = 121,405.17

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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.