Home / 190,920.38-263,470.12-106,045.34

Finding the Fourth Proportional to 190,920.38, 263,470.12 and 106,045.34

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Solution

The fourth proportional to 190,920.38, 263,470.12 and 106,045.34 is: 146,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,920.38 : 263,470.12 = 106,045.34 : x
  2. Step 2: Convert to fraction form
    190,920.38/263,470.12 = 106,045.34/x
  3. Step 3: Cross multiply
    190,920.38x = 263,470.12 × 106,045.34
  4. Step 4: Simplify right side
    190,920.38x = 27,939,776,872.78
  5. Step 5: Solve for x
    x = 27,939,776,872.78/190,920.38
  6. Step 6: Final answer
    x = 146,342.56

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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.