Home / 190,926.40-263,476.80-106,043.20

Finding the Fourth Proportional to 190,926.40, 263,476.80 and 106,043.20

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Solution

The fourth proportional to 190,926.40, 263,476.80 and 106,043.20 is: 146,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,926.40 : 263,476.80 = 106,043.20 : x
  2. Step 2: Convert to fraction form
    190,926.40/263,476.80 = 106,043.20/x
  3. Step 3: Cross multiply
    190,926.40x = 263,476.80 × 106,043.20
  4. Step 4: Simplify right side
    190,926.40x = 27,939,922,997.76
  5. Step 5: Solve for x
    x = 27,939,922,997.76/190,926.40
  6. Step 6: Final answer
    x = 146,338.71

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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.