Home / 190,782.40-263,291.66-105,900.88

Finding the Fourth Proportional to 190,782.40, 263,291.66 and 105,900.88

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Solution

The fourth proportional to 190,782.40, 263,291.66 and 105,900.88 is: 146,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,782.40 : 263,291.66 = 105,900.88 : x
  2. Step 2: Convert to fraction form
    190,782.40/263,291.66 = 105,900.88/x
  3. Step 3: Cross multiply
    190,782.40x = 263,291.66 × 105,900.88
  4. Step 4: Simplify right side
    190,782.40x = 27,882,818,490.66
  5. Step 5: Solve for x
    x = 27,882,818,490.66/190,782.40
  6. Step 6: Final answer
    x = 146,149.85

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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.