Home / 190,581.66-263,008.62-105,706.62

Finding the Fourth Proportional to 190,581.66, 263,008.62 and 105,706.62

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Solution

The fourth proportional to 190,581.66, 263,008.62 and 105,706.62 is: 145,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,581.66 : 263,008.62 = 105,706.62 : x
  2. Step 2: Convert to fraction form
    190,581.66/263,008.62 = 105,706.62/x
  3. Step 3: Cross multiply
    190,581.66x = 263,008.62 × 105,706.62
  4. Step 4: Simplify right side
    190,581.66x = 27,801,752,251.06
  5. Step 5: Solve for x
    x = 27,801,752,251.06/190,581.66
  6. Step 6: Final answer
    x = 145,878.42

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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.