Home / 190,767.40-263,259.30-105,882.28

Finding the Fourth Proportional to 190,767.40, 263,259.30 and 105,882.28

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Solution

The fourth proportional to 190,767.40, 263,259.30 and 105,882.28 is: 146,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,767.40 : 263,259.30 = 105,882.28 : x
  2. Step 2: Convert to fraction form
    190,767.40/263,259.30 = 105,882.28/x
  3. Step 3: Cross multiply
    190,767.40x = 263,259.30 × 105,882.28
  4. Step 4: Simplify right side
    190,767.40x = 27,874,494,915.20
  5. Step 5: Solve for x
    x = 27,874,494,915.20/190,767.40
  6. Step 6: Final answer
    x = 146,117.71

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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.